Life
We summarize the week's scientific breakthroughs every Thursday.
- Humans
DNA tracks ancient Mediterranean farmers to Scandinavia
Modern genetic profile emerged from mating with resident hunter-gatherers, a new study suggests.
- Life
Larvae sustain comb jelly population
Species thrives in Baltic Sea despite never reaching adulthood.
- Life
Albatross forage with fractal-like flight
New data offer support for a modified mathematical pattern in birds’ hunting behavior.
- Life
Bacteria, insects join forces against pesticide
Microbes in gut, rather than genetic changes, allow insects to develop chemical resistance.
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- Life
Polar bears older than previously thought
New analysis reveals that the Arctic species dates back to about 600,000 years ago.
- Chemistry
Synthetic heredity molecules emulate DNA
Scientists have created six XNAs that, like the genetic building blocks they mimic, can store and pass on hereditary information.
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- Life
Daytime anesthesia gives bees jet lag
Honeybees, as stand-ins for surgery patients, show drug’s aftereffects as biorhythms get out sync.
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- Animals
Chimps show lethal side
A collaborative scientific effort offers an inside look at ape homicides.
