News
- Tech
Tiny muscles pull a big punch
Coated carbon nanotubes form the basis of this smart new material.
- Humans
Oldest examples of hunting weapon uncovered in South Africa
A common ancestor of people and Neandertals may have flung stone-tipped shafts at animal prey.
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- Life
Ebola may go airborne
Infected pigs can transmit virus to primates without contact, a new study finds.
- Earth
Global drought may have changed less than thought
Simple models have overestimated drying over past 60 years.
- Earth
Pandas’ home range may move as climate changes
Warming might force animals’ food source, bamboo, to higher elevations.
- Humans
Ancient hominid had an unusual diet
A long-extinct member of the human evolutionary family had an uncommon taste for grasses and sedges.
- Life
Telomere length linked to risk of dying
Large study examines association between protective caps at end of chromosomes and health.
- Health & Medicine
Infant stress linked to teen brain changes
Girls, but not boys, showed later changes in brain regions that regulate emotions.
- Life
Rare genetic tweaks may not be behind common diseases
Variants thought to be behind inherited conditions prove difficult to pin down.
- Humans
An ancient civilization’s wet ascent, dry demise
Cave data suggest that ancient rainfall patterns swayed the course of Classic Maya societies.
- Life
Seaweed-threatened corals send chemical SOS to fish
The cry for help summons allies to graze away the algal overgrowth.
