How the ‘Alpha’ Coronavirus Variant Became So Powerful

A new study suggests how the variant first identified in Britain hides from the human immune system. Its stealth may be part of its success.

#coronavirus-2019-ncov, #genetics-and-heredity, #immune-system, #interferon-protein, #research, #vaccination-and-immunization

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Two New Laws Restrict Police Use of DNA Search Method

Maryland and Montana have passed the nation’s first laws limiting forensic genealogy, the method that found the Golden State Killer.

#dna-deoxyribonucleic-acid, #forensic-science, #genealogy, #genetics-and-heredity, #law-and-legislation, #maryland, #montana, #privacy, #your-feed-science

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Where Your Watermelon Came From

A genetic analysis of a melon found in Sudan may point to the wild fruit that gave rise to one of summertime’s sweetest treats.

#egypt, #genetics-and-heredity, #proceedings-of-the-national-academy-of-sciences, #research, #sudan, #watermelons, #your-feed-science

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Man Rescued in Colorado Mountain Pass Is Accused in 1982 Murders

Alan Lee Phillips was rescued from a snowdrift in 1982 after he signaled SOS with his headlights. The police now say he became trapped on the road after killing two women.

#breckenridge-colo, #colorado, #dna-deoxyribonucleic-acid, #forensic-science, #genealogy, #genetics-and-heredity, #murders-attempted-murders-and-homicides, #oberholtzer-barbara-jo-d-1982, #phillips-alan-lee-1951, #schnee-annette-d-1982

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These Sisters With Sickle Cell Had Devastating — and Preventable — Strokes

Kyra and Kami never got a simple test that could have protected them. Their story exemplifies the failure to care for people with the disease, most of whom are Black.

#black-people, #children-and-childhood, #doctors, #genetics-and-heredity, #national-institutes-of-health, #preventive-medicine, #race-and-ethnicity, #sickle-cell-anemia, #stroke, #tests-medical, #transfusions, #ultrasonic-imaging-and-sonograms

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How Sickle Cell Trait in Black People Can Give the Police Cover

Sickle cell trait has been cited in dozens of police custody deaths ruled accidental or natural, even though the condition is benign on its own, a Times investigation found.

#autopsies, #black-lives-matter-movement, #black-people, #chauvin-derek-1976, #floyd-george-d-2020, #genetics-and-heredity, #george-floyd-protests-2020, #police, #police-brutality-misconduct-and-shootings, #prison-guards-and-corrections-officers, #sickle-cell-anemia, #sickle-cell-trait, #united-states, #wetli-charles-v

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The 1,000-Year Secret That Made Betta Fish Beautiful

Scientists found that the fish were gradually domesticated like dog breeds into the beautiful shapes and colors that turn up today in pet stores.

#biorxiv, #fish-and-other-marine-life, #genetics-and-heredity, #research, #southeast-asia, #thailand, #your-feed-animals, #your-feed-science

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At Mating Time, These Ants Carry Their Young Queen to a Neighbor’s Nest

The royal matchmaking service may help these insects avoid inbreeding.

#ants, #communications-biology-journal, #france, #genetics-and-heredity, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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U.S. Must Do More to Track Covid Variants, Scientists Tell Congress

At a House subcommittee hearing, witnesses emphasize the need for much more genome sequencing, data-sharing and research to track virus mutations and their effects.

#coronavirus-2019-ncov, #genetics-and-heredity, #house-of-representatives, #internal-essential, #research, #united-states-politics-and-government, #vaccination-and-immunization

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To Solve 3 Cold Cases, This Small County Got a DNA Crash Course

Forensic genealogy helped nab the Golden State Killer in 2018. Now investigators across the country are using it to revisit hundreds of unsolved crimes.

#deangelo-joseph-james, #dna-deoxyribonucleic-acid, #forensic-science, #genealogy, #genetics-and-heredity, #murders-attempted-murders-and-homicides, #privacy, #your-feed-science

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Why Nearsightedness Is on the Rise in Children

Decreased exposure to outdoor light appears to be a major factor in rising rates of myopia in young people around the world.

#children-and-childhood, #contact-lenses, #corneas, #coronavirus-2019-ncov, #eyeglasses, #eyes-and-eyesight, #genetics-and-heredity, #sunlight

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How Long Can We Live?

New research is intensifying the debate — with profound implications for the future of the planet.

#elderly, #genetics-and-heredity, #longevity, #medicine-and-health, #research, #science-and-technology, #stem-cells

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Diet and Exercise During Pregnancy Impacts Child’s Health, Study Says

Physical activity during pregnancy might have long-lasting benefits for a child’s health, new research suggests.

#diabetes, #diet-and-nutrition, #genetics-and-heredity, #habits-and-routines-behavior, #journal-of-applied-physiology, #mice, #obesity, #parenting, #pregnancy-and-childbirth

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Why I Gave My Mosaic Embryo a Chance

“It was like rolling the dice, except for someone you’ve never met.”

#disabilities, #embryos-human, #genetics-and-heredity, #in-vitro-fertilization, #infertility, #miscarriages, #pregnancy-and-childbirth, #reproduction-biological, #tests-medical

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The Latest Issue in Divorces: Who Gets the Embryos?

Amid the pandemic, I.V.F. rates are on the rise, and so are disputes about what to do with remaining frozen embryos when couples split up. For some, it has gotten messy.

#artificial-insemination, #egg-donation-and-freezing, #embryos-human, #genetics-and-heredity, #in-vitro-fertilization, #infertility, #marriages, #pregnancy-and-childbirth, #reproduction-biological

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His Sister Died 12 Days After Suffering Mysterious Spells. Now He Had Them.

The clock was ticking. An M.R.I., a spinal tap and blood tests weren’t revealing the culprit. Could it be psychological?

#genetics-and-heredity, #magnetic-resonance-imagers, #proteins, #psychiatry-and-psychiatrists, #tests-medical

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Ebola Survivor Infected Years Ago May Have Started New Outbreak

Genetic sequencing of virus samples from patients in Guinea suggest that the new outbreak is a continuation of the 2014-16 epidemic.

#centers-for-disease-control-and-prevention, #congo-democratic-republic-of-congo-kinshasa, #ebola-virus, #genetics-and-heredity, #guinea, #immune-system, #institut-pasteur, #university-of-edinburgh, #university-of-nebraska, #your-feed-science

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Oregon Man Is Charged With Two Murders Committed Two Decades Apart

Genetic genealogy connected Christopher Lovrien to a 1999 homicide victim, according to the authorities, who said they found the remains of a 2020 homicide victim when they searched his property.

#dna-deoxyribonucleic-acid, #dribin-mark, #forensic-science, #genealogy, #genetics-and-heredity, #griffin-kenneth, #lovrien-christopher, #missing-persons, #murders-attempted-murders-and-homicides, #oregon, #police-department-portland-ore, #portland-ore, #search-and-seizure, #serial-murders

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Sickle Cell Treatment Not Linked to Cancer, Researchers Say

Trials of experimental gene therapy for sickle cell disease were halted when patients developed worrying illnesses.

#bluebird-bio-inc, #boston-childrens-hospital, #clinical-trials, #dna-deoxyribonucleic-acid, #gene-therapy, #genetics-and-heredity, #leukemia, #sickle-cell-anemia

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She Was Imprisoned for Killing Her 4 Children. But Was It Their Genes All Along?

The case of Kathleen Folbigg has become a contest between cutting-edge science and an Australian court system that sometimes ignores it.

#australia, #genetics-and-heredity, #kathleen-folbigg, #murders-attempted-murders-and-homicides, #sudden-infant-death-syndrome

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Book Review: ‘The Code Breaker,’ by Walter Isaacson

In “The Code Breaker,” Walter Isaacson turns to the life and work of Jennifer Doudna, the Nobel-winning scientist who has revolutionized gene editing.

#books-and-literature, #charpentier-emmanuelle-m-1968, #crispr-dna, #doudna-jennifer-a, #genetic-engineering, #genetics-and-heredity, #isaacson-walter, #science-and-technology, #the-code-breaker-jennifer-doudna-gene-editing-and-the-future-of-the-human-race-book

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America’s New Whale Is Now at Extinction’s Doorstep

Just 50 or so remain, eking it out in the Gulf of Mexico off the Florida coast.

#biden-joseph-r-jr, #conservation-of-resources, #darwin-charles-robert, #drilling-and-boring, #endangered-and-extinct-species, #everglades-national-park, #fish-and-other-marine-life, #florida-panhandle, #genetics-and-heredity, #gulf-of-mexico, #national-marine-fisheries-service, #national-oceanic-and-atmospheric-administration, #natural-gas, #oceans-and-seas, #oil-petroleum-and-gasoline, #united-states, #whales-and-whaling

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How Do Blind Worms See the Color Blue?

Eyeless roundworms may have hacked other cellular warning systems to give themselves a form of color vision.

#bacteria, #color, #evolution-biology, #eyes-and-eyesight, #genetics-and-heredity, #hazardous-and-toxic-substances, #light, #research, #science-journal, #senses-and-sensation, #worms, #your-feed-science

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Virus Variant in Brazil Infected Many Who Had Already Recovered From Covid-19

The first detailed studies of the so-called P.1 variant show how it devastated a Brazilian city. Now scientists want to know what it will do elsewhere.

#brazil, #coronavirus-2019-ncov, #genetics-and-heredity, #research, #vaccination-and-immunization, #your-feed-healthcare, #your-feed-science

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The Secret Life of a Coronavirus

An oily, 100-nanometer-wide bubble of genes has killed more than two million people and reshaped the world. Scientists don’t quite know what to make of it.

#almeida-june-1930-2007, #animals, #bats, #biodiversity, #dna-deoxyribonucleic-acid, #genetics-and-heredity, #microbiology, #quarantine-life-and-culture, #rna-ribonucleic-acid, #science-and-technology, #smallpox, #van-leeuwenhoek-antonie-1632-1723, #viruses

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5 Picture Books About the Wonders of Science

Fossils, flowers, galaxies and a rare “lefty” snail.

#biology-and-biochemistry, #books-and-literature, #chemistry, #children-and-childhood, #el-fathi-mickael, #flowers-and-plants, #fossils, #fossils-from-lost-worlds-book, #genetics-and-heredity, #hahn-daniel, #hubble-space-telescope, #hubble-edwin, #ignotofsky-rachel, #laverdunt-damien, #marcero-deborah, #marinov-isabelle, #medicine-and-health, #nobel-prizes, #paleontology, #physics, #popova-maria, #rajcak-helene, #science-and-me-book, #science-and-technology, #snails, #space-and-astronomy, #stars-and-galaxies, #the-boy-whose-head-was-filled-with-stars-a-life-of-edwin-hubble-book, #the-snail-with-the-right-heart-a-true-story-book, #whats-inside-a-flower-and-other-questions-about-sciencenature-book, #winter-ali, #zhu-ping-illustrator

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New California Variant More Contagious, Two Studies Confirm

Two studies confirm that a new coronavirus mutant in California is more contagious, although the scale of its threat is unclear.

#california, #chiu-charles, #coronavirus-2019-ncov, #genetics-and-heredity, #research, #san-francisco-calif, #your-feed-healthcare, #your-feed-science

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C.D.C. Announces $200 Million ‘Down Payment’ to Track Virus Variants

Scientists say the new investment will help in the next couple of months, but hope that the stimulus package will provide much more.

#centers-for-disease-control-and-prevention, #coronavirus-2019-ncov, #genetics-and-heredity, #tests-medical, #united-states-politics-and-government, #your-feed-healthcare, #your-feed-science

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Where Does the Columbian Mammoth Come From?

Genomic data — the oldest ever recovered from a fossil — reveals the origin and evolution of the Columbian mammoth.

#dna-deoxyribonucleic-acid, #fossils, #genetics-and-heredity, #ice-age, #mammoths-animals, #nature-journal, #paleontology, #research, #your-feed-science

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DNA and Race: What Ancestry and 23andMe Reveal

Our country has struggled to reckon with the horrors of the past. Could DNA tests help?

#23andme, #ancestry-com, #dna-deoxyribonucleic-acid, #genealogy, #genetics-and-heredity, #race-and-ethnicity, #slavery-historical

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Piecing Together the Next Pandemic

From a small lab in Cambodia, Dr. Jessica Manning is on the lookout for emerging diseases.

#cambodia, #coronavirus-2019-ncov, #dna-deoxyribonucleic-acid, #gates-bill-and-melinda-foundation, #genetics-and-heredity, #malaria, #mosquitoes, #pasteur-institute, #tests-medical, #third-world-and-developing-countries, #your-feed-health, #your-feed-science

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Tiny Blobs of Brain Cells Could Reveal How Your Mind Differs From a Neanderthal’s

Researchers grew clusters of brain cells in the lab with a gene carried by our ancient ancestors.

#brain, #evolution-biology, #genetic-engineering, #genetics-and-heredity, #monkeys-and-apes, #neanderthal-man, #research, #your-feed-science

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Virus Variant First Found in Britain Now Spreading Rapidly in U.S.

A new study bolsters the prediction by the Centers for Disease Control and Prevention that the so-called B.1.1.7 variant will dominate Covid-19 cases by March.

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #genetics-and-heredity, #your-feed-healthcare, #your-feed-science

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How Scientists Shot Down Cancer’s ‘Death Star’

No drug could touch a quivering protein implicated in a variety of tumors. Then one chemist saw an opening.

#amgen-inc, #clinical-trials, #colon-and-colorectal-cancer, #drugs-pharmaceuticals, #genetics-and-heredity, #lung-cancer, #lungs, #pancreas, #pancreatic-cancer, #smoking-and-tobacco, #tumors, #united-states

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The Coronavirus Is a Master of Mixing Its Genome, Worrying Scientists

New studies underscore how coronaviruses frequently mix their genetic components — which could contribute to the rise of dangerous variants.

#coronavirus-2019-ncov, #evolution-biology, #genetics-and-heredity, #research, #rna-ribonucleic-acid, #your-feed-healthcare

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If You Squeeze the Coronavirus, Does It Shatter?

Scientists are exploring the physics of viruses, to understand how these pathogens assemble themselves — and might be rent apart.

#biology-and-biochemistry, #coronavirus-2019-ncov, #drugs-pharmaceuticals, #genetics-and-heredity, #immune-system, #microbiology, #physics, #proteins, #rna-ribonucleic-acid, #vaccination-and-immunization, #viruses, #your-feed-health, #your-feed-science

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New California Variant May Be Driving Virus Surge There, Study Suggests

Researchers found that the variant originated in California and showed up in more than half of samples tested last week by researchers in Los Angeles.

#california, #cedars-sinai-medical-center, #chiu-charles, #coronavirus-2019-ncov, #disease-rates, #genetics-and-heredity, #worobey-michael-g-1970, #your-feed-healthcare

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Twins With Covid Help Scientists Untangle the Disease’s Genetic Roots

“I want to know,” one twin said, “why did she have Covid worse than me?”

#coronavirus-2019-ncov, #coronavirus-risks-and-safety-concerns, #dna-deoxyribonucleic-acid, #genetics-and-heredity, #multiple-births

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How British Scientists Found the More Infectious Coronavirus Variant

Back in March, researchers decided to routinely record the genetic sequences of the virus they found, giving them a powerful tool for tracking mutations.

#cambridge-england, #cambridge-university, #coronavirus-2019-ncov, #coronavirus-variant, #genetics-and-heredity, #great-britain, #gupta-ravindra, #kent-england, #research, #steven-kemp

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The Real Dire Wolf Ran Into an Evolutionary Dead End

The species’ remarkable genetic isolation from other wolves may have contributed to its demise.

#dna-deoxyribonucleic-acid, #endangered-and-extinct-species, #game-of-thrones-tv-program, #genetics-and-heredity, #nature-journal, #north-america, #paleontology, #research, #wolves, #your-feed-science

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A Question Hidden in the Platypus Genome: Are We the Weird Ones?

Researchers have produced the most comprehensive platypus genome yet, as well as that of another monotreme, an echidna.

#australia, #evolution-biology, #genetics-and-heredity, #mammals, #platypus, #research, #your-feed-science

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Pfizer Says Its Covid Vaccine Works Against Key Mutation

It’s good news, but experts cautioned that the new variants from Britain and South Africa also carry other potentially dangerous mutations that have not yet been investigated.

#coronavirus-2019-ncov, #genetics-and-heredity, #pfizer-inc, #vaccination-and-immunization, #your-feed-healthcare

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The Sperm Kings Have a Problem: Too Much Demand

Many people want a pandemic baby, but some sperm banks are running low. So women are joining unregulated Facebook groups to find willing donors, no middleman required.

#artificial-insemination, #california-cryobank, #children-and-childhood, #facebook-inc, #genetics-and-heredity, #in-vitro-fertilization, #pregnancy-and-childbirth, #reproduction-biological, #social-media, #sperm, #women-and-girls

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Bryan Sykes, Who Saw the Ancient Past in Genes, Dies at 73

An Oxford scientist with a flair for the dramatic, he introduced millions of people to the secrets of their ancestry through his books and TV appearances.

#archaeology-and-anthropology, #cryptozoologists, #deaths-obituaries, #dna-deoxyribonucleic-acid, #genealogy, #genetics-and-heredity, #sykes-bryan, #the-seven-daughters-of-eve-the-science-that-reveals-our-genetic-ancestry-book

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U.S. Is Blind to Contagious New Virus Variant, Scientists Warn

It’s not too late to curb the contagious variant’s spread in the U.S., experts say — but only with a national program for genetic sequencing.

#coronavirus-2019-ncov, #genetics-and-heredity, #politics-and-government, #research, #tests-medical, #your-feed-healthcare, #your-feed-science

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How a Dwarf Giraffe Discovery Surprised Scientists

Like someone put a giraffe’s head and neck on a horse’s body.

#bmc-research-notes-journal, #dwarfism, #endangered-and-extinct-species, #genetics-and-heredity, #giraffes, #namibia, #research, #uganda, #your-feed-animals, #your-feed-science

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Her Stomach Hurt Unbearably. Her Doctors Were Baffled.

Then she remembered a story from her mother.

#crohns-disease, #digestive-tract, #genetics-and-heredity, #medicine-and-health

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Ancient DNA Shows Humans Settled Caribbean in 2 Distinct Waves

Millions of people living on the islands today inherited genes from the people who made them home before Europeans arrived.

#archaeology-and-anthropology, #caribbean-area, #dna-deoxyribonucleic-acid, #genealogy, #genetics-and-heredity, #native-americans, #nature-journal, #research, #your-feed-science

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Ancient DNA Is Changing How We Think About the Caribbean

New research delivers surprising findings about Indigenous people in the region before contact with Europeans.

#caribbean-area, #dominican-republic, #genealogy, #genetics-and-heredity, #haiti, #hispaniola, #indigenous-people, #population

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The New Covid Strain in the UK: Questions and Answers

A newly identified variant of the SARS-CoV-2 virus appears to be more contagious than established ones. Here’s what scientists know.

#antibodies, #coronavirus-2019-ncov, #england, #europe, #ferguson-neil-m, #food-and-drug-administration, #genetics-and-heredity, #vaccination-and-immunization, #your-feed-health, #your-feed-science

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