Life
- Life
Worries grow over monarch butterflies
Migrants overwintering in Mexico rebounded somewhat this past winter, but still trending downward.
- Paleontology
Supersized superbunny
Fossils reveal a non-hopping giant rabbit that lived on the island of Minorca 5 million years ago.
- Life
Genes & Cells
Traditional medicine helps give the slip to bacteria, plus insulin insensitivity and dental plaque in this week's news.
- Life
Great-grandpa’s genes gone, effects stay
Removing an obesity-preventing scrap of DNA from a mouse lineage doesn’t prevent descendants from reaping its slimming benefits for generations.
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- Life
DNA flaws can stack up as cancer grows
Acute myeloid leukemia progresses by accumulating various mutations, according to an analysis of one man’s disease over time.
- Humans
Noise is what ails beaked whales
Large-scale experiments reveal a sensitivity to sonar, apparently at lower levels than other species.
- Life
Brain chemical influences sexual preference in mice
Males lacking the neurotransmitter serotonin court both sexes equally, researchers are surprised to find.
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- Life
Who felt it not, smelt it not
A genetic defect in a crucial protein stops both pain and smells from reaching the brain.
- Life
Fruit-eating fish does far-flung forestry
Overfishing may be robbing trees in the Amazonian floodplain of vital seed dispersers.
