Life
We summarize the week's scientific breakthroughs every Thursday.
- Life
Longhorn cattle ancestors came from Pakistan
New World breeds trace back to both major bovine lineages, genetic analysis shows.
- Life
How mammals grow ears: With a flaw
A newly discovered rupture-and-repair process that occurs in embryos could explain a lot about infections and hearing defects.
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- Life
Disease threatens garden impatiens
Surprising scientists, once-mild downy mildew has struck the popular blooms in 33 states.
- Life
Giant squid population is one big happy species
Elusive deep ocean dwellers have low genetic diversity despite living around the globe.
- Life
Microbes flourish at deepest ocean site
At the bottom of the Mariana Trench, eleven kilometers down, bacteria prosper despite crushing pressure and isolation.
- Life
Shorter-winged swallows evolve around highways
In survey along Nebraska roads, number of birds killed by cars has plummeted over 30 years.
- Life
Bedbugs raise genetic defense against pesticides
Bedbugs turn on several genes, in both their shells and their nerve cells, to stave off effects of insecticides.
- Life
New virus uses protein handle to infect cells
Deadly coronavirus related to SARS attaches to protein on cells unlike the one SARS uses.
- Life
Tasmanian devil disease reveals its secrets
The contagious cancer evades the animal’s immune system by turning off key genes.
- Neuroscience
Heavy drinkers get extra brain fuel from alcohol
Compared with the brains of light drinkers, the brains of heavy alcohol drinkers burn acetate better.
- Chemistry
Caffeine’s buzz attracts bees to flowers
Nectar of some blooms carries the drug, which improves bee memory.
