Uncategorized
- Animals
A brain chemical tells when to fight or flee
Crickets tally the knocks they take in a fight, and flee when their brains release nitric oxide to tell them they’ve had enough.
- Archaeology
Ring brings ancient Viking, Islamic civilizations closer together
Ancient find fingers ninth century connection between Vikings and Islamic civilization.
By Bruce Bower - Astronomy
Super-Earths may form in two ways
Rocky planets much heavier than Earth may form in different ways.
- Planetary Science
Aurora shift confirms Ganymede’s ocean
New observations confirm the presence of a liquid saltwater ocean beneath the surface of Jupiter’s largest moon, Ganymede.
- Climate
Arctic warming bolsters summer heat waves
Sagging storms brought on by rapid Arctic warming worsen summertime heat waves across the Northern Hemisphere.
- Life
For healthy eating, timing matters
Limiting eating times improves heart function in fruit flies.
- Planetary Science
Chinese rover reveals moon’s layers
Radar imaging done by China’s Yutu lunar rover reveals that the moon’s geological history could be more complex than once thought.
- Anthropology
People moved into rainforests much earlier than thought
People lived year-round in rainforests well before previous estimates, an analysis of teeth excavated in Sri Lanka suggests.
By Bruce Bower - Planetary Science
Titan’s vast seas may drive methane cycle
A phenomenon similar to Earth’s hydrological cycle on Saturn’s largest moon Titan may create different lake compositions, similar to the salinity difference between the Black Sea and the Mediterranean.
- Astronomy
As many as nine new dwarf galaxies found outside Milky Way
A bevy of newly discovered satellite galaxies around the Milky Way could help astronomers study how galaxies form and the nature of dark matter.
- Neuroscience
Ultrasound attacks Alzheimer’s plaques
A new study offers clues to how ultrasound may work as a treatment for Alzheimer’s disease.
- Paleontology
How arthropods got their legs
New fossils reveal how arthropods evolved branching limbs.