Genetics
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Anthropology
Two groups spread early agriculture
The Fertile Crescent was a diverse place. Multiple cultures were involved in the dawn of farming.
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Life
Donor mitochondria could influence metabolism, aging
Mitochondrial DNA donation could have unexpected long-term health consequences for “three-parent babies.”
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Life
Scientists find clue to why mitochondrial DNA comes only from mom
Scientists have identified a protein that chops up the mitochondrial DNA in a dad’s sperm after it fertilizes an egg. The finding helps explain why mitochondrial DNA is usually passed on only by mothers.
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Animals
City living shortens great tits’ telomeres
Great tits raised in urban nests have shorter protective caps on their chromosomes than those raised in rural nests.
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Animals
City living shortens great tits’ telomeres
Great tits raised in urban nests have shorter protective caps on their chromosomes than those raised in rural nests.
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Genetics
Gene drives aren’t ready for the wild, report concludes
A type of genetic engineering called gene drives need more work, a National Academies report concludes.
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Science & Society
Francis Crick’s good luck revolutionized biology
Francis Crick, born 100 years ago, chose to study molecular biology first and then later tackled consciousness.
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Genetics
Ancient DNA tells of two origins for dogs
Genetic analysis of an ancient Irish mutt reveals complicated history of dog domestication.
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Life
Jumping gene turned peppered moths the color of soot
A single gene is behind some of the most famous examples of natural selection.
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Genetics
Risk identified in procedure for ‘three-parent babies’
Resurgent mitochondria could spell trouble for disease therapy.