News
- Astronomy
Possible perp found in mystery of Milky Way’s missing galaxy pals
Billions of years of supernovas could explain why galaxies like the Milky Way have so few tiny companions and why those companions have so little mass.
- Life
Cities create accidental experiments in plant, animal evolution
To look for evolution in human-scale time, pick a city and watch a lizard. Or some clover.
By Susan Milius - Animals
Reptile scales share evolutionary origin with hair, feathers
Hair, scales and feathers arose from same ancestral appendage.
- Psychology
Moral dilemma could put brakes on driverless cars
Driverless cars race into a moral conflict over saving passengers or pedestrians.
By Bruce Bower - Life
Scientists find clue to why mitochondrial DNA comes only from mom
Scientists have identified a protein that chops up the mitochondrial DNA in a dad’s sperm after it fertilizes an egg. The finding helps explain why mitochondrial DNA is usually passed on only by mothers.
- Life
New species of bacteria found to cause Lyme disease
Camping? Don’t forget the bug spray. Lyme disease covers new ground.
By Laura Beil - Life
Fido and Fluffy could unleash drug-resistant microbes
After discovering resistant microbes in pets, scientists worry about the role of companion animals in the spread of resistant urinary infections.
By Laura Beil - Science & Society
Tough gun laws in Australia eliminate mass shootings
Following the 1996 implementation of strict gun control laws in Australia, the country has not experienced any mass shootings.
By Meghan Rosen - Neuroscience
Newborn brain has to learn how to feed itself
Nerve cells in newborn mice can’t yet feed themselves.
- Oceans
Deep-sea hydrothermal vents more abundant than thought
Ecosystem-supporting hydrothermal vents are much more abundant along the ocean floor than previously thought.
- Physics
More events needed to pin down gravitational waves backstory
As more black hole collisions are found, researchers hope to piece together how and where these destructive duos form.
- Archaeology
Lidar maps vast network of Cambodia’s hidden cities
Laser survey unveils the extent, and the mystery, of Southeast Asia’s Khmer Empire
By Bruce Bower