Life
- Ecosystems
Forests on the wane
Early last decade, the world’s tree coverage dropped by more than 3 percent.
- Health & Medicine
Baby’s calcium might play defining role in adult bone health
Calcium makes bones strong. But a new animal study suggests that to do this, ample calcium may need to be available from birth. Too little in the early weeks of life may reprogram certain stem cells – those in the marrow – in ways that permanently compromise bone structure. Perhaps even fostering osteoporosis.
- Animals
Chimps may be aware of others’ deaths
Reactions of chimps to dead companions and infants suggest a basic realization of what death entails.
- Life
Paradox of dining in deep, wet mud
A bonanza of food doesn’t necessarily result in biodiversity among deep sediment dwellers off California’s coast.
- Space
Life in the sticky lane
Tropical asphalt lake could be analog for extraterrestrial microbial habitat.
- Earth
Emerging Northwest fungal disease develops virulent Oregon strain
Uncommon but sometimes fatal infections of the lung or brain can show up months after someone inhales spores.
- Animals
Male spiders have safe(r) sex with siblings
In a cannibalistic species, brothers minimize risk when mating with their sisters.
- Life
BATTLE trial personalizes lung cancer treatment
A new study makes a first step toward personalized chemotherapy.
- Life
Pine pollen gets flight miles
A first-of-its-kind study logs the record to beat for germination after air travel.
- Health & Medicine
Embryo transfer technique could prevent maternally inherited diseases
A new technique transplants healthy nuclear DNA of cells carrying mutated mitochondria.
- Life
Mutation effects often depend on genetic milieu
Genetic background is at least as important as environment, fruit fly research shows.
- Health & Medicine
Mapping the fruit fly brain
A new digital atlas could reveal how 100,000 neurons work together.
