Uncategorized
- Animals
Power of pupils is in their shape
Horizontally or vertically stretched pupils may provide predators and prey with visual advantages.
- Astronomy
Faint red stars can build water worlds drip by drip
Rocky planets around faint red stars have a hard time getting water, but they’re still probably the most common habitable locales in the Milky Way, new computer simulations suggest.
- Neuroscience
Claim of memory transfer made 50 years ago
Scientist’s claims of transferred memories were more fiction than fact.
- Genetics
Ancestral humans had more DNA
A new genetic diversity map marks where humans have gained and lost DNA.
- Earth
Nepal quake’s biggest shakes relatively spread out
The seismic rumblings of the April 25 Nepal earthquake were mostly in low frequencies that are more likely to collapse large structures, new research suggests.
- Animals
First known venomous frogs stab with toxin-dripping lip spikes
Two Brazilian frogs jab foes with venoms more deadly than pit vipers'.
By Susan Milius - Life
Chemical magic transforms skin cells into nerve cells
Just a few chemicals can transform skin cells from Alzheimer’s patients and healthy people into nerve cells.
By Meghan Rosen - Animals
Parasitic wasp larva gets more than a meal from its spider host
Parasitic wasps coerce spiders to construct strong supports for cocoons.
- Planetary Science
Quest to trace origin of Earth’s water is ‘a complete mess’
Understanding the origin of Earth’s water is hard enough, and it’s made harder by not knowing where all that water is hiding.
- Planetary Science
Mini moons may zip around Earth
Mini moons may buzz around Earth, and they make great targets for space missions.
- Materials Science
Buckyballs turn on copper’s magnetism
Exposure to buckyballs bestows ironlike magnetic properties onto the normally nonmagnetic metals copper and manganese.
By Andrew Grant - Chemistry
Plants’ ‘don’t-eat-me’ chemicals no problem for earthworms
Newly discovered gut compounds called drilodefensins allow earthworms to pack in plant debris loaded with hazardous chemicals.
By Beth Mole