All Stories
- Animals
Green sea slugs aren’t solar powered after all
Several species of sea slugs hold on to algal chloroplasts, digesting them weeks or months later. Scientists assumed the creatures were able to use these chloroplasts to make their own food in lean times. A new study finds that at least two of the species aren't solar powered after all.
- Health & Medicine
Eating nuts may extend a person’s life
People who regularly ate peanuts or tree nuts were less likely to die during decades-long studies.
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- Genetics
Ancient Siberian bones clarify Native American origins
Some New World ancestors came from western Eurasia, not East Asia.
- Planetary Science
Ancient Martian meteorite preserves chunks of planet’s early crust
Rock could reveal what Mars was like 4.4 billion years ago.
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- Animals
Comb jelly immune system can spot old enemies
Animal at base of family tree could help researchers understand the evolution of immunity.
- Life
Blood clotting disorder blocked in dogs
Gene therapy stopped severe bleeding in dogs with the blood clotting disorder hemophilia.
- Genetics
Sexy male mice have competitive moms
Moms allowed to compete for mates produce sons that make sexy pheromones, live hard and die young. How? Epigenetics.
- Ecosystems
Virus-blocking insects taking over Vietnamese island
Field trial tests mosquitoes that may stop the spread of dengue infection.
- Health & Medicine
Cage temps change tumor growth in mice
Cooler living conditions may influence lab mice's responses to experimental cancer therapies that target the immune system.
- Anthropology
Human ancestors threw stone-tipped spears at prey
African discoveries show that hunting weapons thrown from a distance appeared by 279,000 years ago.
