Genetics
- 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.
- 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.
- 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.
- 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.
- 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.
- Genetics
Ancient DNA tells of two origins for dogs
Genetic analysis of an ancient Irish mutt reveals complicated history of dog domestication.
- Life
Jumping gene turned peppered moths the color of soot
A single gene is behind some of the most famous examples of natural selection.
- Genetics
Risk identified in procedure for ‘three-parent babies’
Resurgent mitochondria could spell trouble for disease therapy.
- Genetics
Some Stone Age humans returned to Africa
DNA from an ancient woman suggests some humans trekked back to Africa.
- Genetics
Some Stone Age humans ventured back to Africa
DNA from an ancient woman suggests some humans trekked back to Africa.
- Agriculture
New analysis: Genetically engineered foods not a health risk
No real evidence for health or environmental dangers of GE crops.
- Life
How the Galápagos cormorant got its tiny wings
Galápagos cormorants’ tiny wings may be due to altered reception in cellular antennas.
