Life
- Earth
Wringing hope from crashing biodiversity
Biodiversity losses have not slowed despite a treaty designed to protect variety in the natural world.
- Physics
Reverse engineering a quantum compass
Physicists propose a method that could explain how birds’ magnetic-sensing organs work.
- Animals
Aphids make their own bright colors
The insects’ ancestors adapted fungal DNA for manufacturing vital compounds.
- Life
DNA comparison of identical twins finds no silver bullet for MS
The first study of its kind suggests an unknown environmental cause for multiple sclerosis, but future research could still yield a genetic trigger.
- Paleontology
Dinos molted for a new look
In one species, adolescents appear to have sprouted a new type of feathers as they matured.
- 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.
