Life
We summarize the week's scientific breakthroughs every Thursday.
- Humans
First Mexican-American and African-American genomes completed
Studies hint that genetic diversity among Native Americans may rival that seen in some African populations.
- Earth
Ancient marine reptiles losing their cool
Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.
- Ecosystems
Parasite brood gets help from nearby microbes
A critical interaction between whipworm and E. coli suggests a new way to battle the common gut infection.
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- Life
Missing chemicals on Titan could signal life
Methane-based organisms on one of Saturn’s moons might be consuming the materials.
- Earth
Possible snake shortage looms
Declines among species in Europe and Africa raise herpetologists’ worries of widespread population losses.
- Climate
With warming, some commercial fish may boom and bust
Higher temps in Arctic waters might be good for some species but not for others, new research suggests.
- Life
Marine creature cooks up chemical defense from food
The sea hare transforms a benign algal pigment into a noxious molecule to help ward off crabs and other predators, new studies show.
- Animals
Sex, crickets and videotape
Security cameras focused on insects in the wild are looking at whether lab science has gotten the singing, mating and fighting right.
- Humans
Tracing Jewish roots
An analysis of the entire genome of Jewish people shows Middle Eastern roots and traces ancestry across the globe.
- Animals
Diversified portfolio yields benefit for salmon stocks
Local diversity keeps sockeye from going bust every few years, a study finds.
- Life
Seaweed genome reveals tools for multicellular lifestyle
Genetic blueprints of a brown alga reveal adaptations to changing tides and may give clues for to evolution of more complex life.
