Genetics
- Plants
Why a parasitic vine can’t take a bite out of tomatoes
Cultivated tomatoes fend off parasitic vines as they would microbes.
- Genetics
Dolly the Sheep’s cloned sisters aging gracefully
Cloning doesn’t cause premature aging in sheep.
- Genetics
Evolution of gut bacteria tracks splits in primate species
Primates and microbes have been splitting in sync for at least 10 million years.
- Genetics
Swapping analogous genes no problem among species
Many genes are interchangeable between yeast, bacteria, plants and humans.
- Genetics
Herbicide no match for fruit flies’ gut microbes
Friendly gut bacteria team up to break down herbicide that might otherwise harm fruit flies.
- Health & Medicine
No one-fits-all healthy diet exists
Mice’s response to diet varies with their genes.
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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.
- Life
Donor mitochondria could influence metabolism, aging
Mitochondrial DNA donation could have unexpected long-term health consequences for “three-parent babies.”
- 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.
