Genetics
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Health & MedicineRNA work that led to COVID-19 vaccines wins 2023 Nobel in medicine
Katalin Karikó and Drew Weissman overcame hurdles to using mRNA for medicine. This led to COVID vaccines — and maybe, one day, some for other infections.
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GeneticsExperiment: Are fingerprint patterns inherited?
Let’s investigate whether fingerprint patterns are created randomly or whether they are influenced by genetics.
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Health & MedicineToddler now thrives after prenatal treatment for a genetic disease
Ayla was treated before birth for the rare, life-threatening Pompe disease. Now a thriving 16-month-old toddler, her treatments will still need to continue.
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ChemistryForensic scientists are gaining an edge on crime
Advances in forensic science are helping to recover invisible fingerprints and identify missing people from bits of tissue or bone.
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GeneticsFor some kids, their rock-star hair comes naturally
A variant of a gene involved in hair-shaft formation was linked to most of the uncombable-hair-syndrome cases analyzed in a recent study.
By Meghan Rosen -
Health & MedicineExamining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
By Tina Hesman Saey and Aimee Cunningham -
AnimalsLiving mysteries: This critter has 38 times more DNA than you do
The genomes of salamanders are bloated with genetic “parasites.” That extra DNA slows down their lives and strands them in perpetual childhood.
By Douglas Fox -
ArchaeologyRats can chronicle human history
Rats have lived alongside people for thousands of years. Now, scientists can study the rats and their leavings to learn more about ourselves.
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GeneticsScientists Say: DNA
Short for deoxyribonucleic acid, DNA is the molecule that determines how each living thing looks and works.
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AnimalsA dog’s breed doesn’t say much about its behavior
Many people associate dog breeds with specific behavioral traits. But breed appears to account for only about 9 percent of behavioral differences.
By Anna Gibbs -
AnimalsLosing some genes may explain how vampire bats can live on blood
Loss of 13 genes active in other bats could support the vampires’ blood-eating strategies and adaptations.
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AnimalsInfected caterpillars become zombies that climb to their deaths
By tampering with genes involved in vision, a virus can send caterpillars on a doomed quest for sunlight.
By Jake Buehler