News
- Astronomy
Europa’s geysers play hard-to-see
Follow-up observations of Europa failed to confirm the existence of geysers venting the Jupiter moon’s hidden ocean into space.
By Andrew Grant - Animals
Rock ants favor left turns in unfamiliar crevices
Rock ants’ bias for turning left in mazes, a bit like handedness in people, may reflect different specializations in the halves of their nervous system.
By Susan Milius - Life
Hydrogen sulfide offers clue to how reducing calories lengthens lives
Cutting calories boosts hydrogen sulfide production, which leads to more resilient cells and longer lives, a new study suggests.
- Chemistry
Retraction looms for brute-force chemistry study
A 2011 study on tearing apart ring-shaped molecules is set to be retracted following a misconduct investigation.
By Beth Mole - Archaeology
Ancient Egyptian blue glass beads reached Scandinavia
Chemical analysis of Danish discoveries extends northern reach of Bronze Age trade.
By Bruce Bower - Animals
Lucky break documents warbler tornado warning
Warblers fitted with data collecting devices for other reasons reveal early and extreme measures when dodging April’s tornado outbreak.
By Susan Milius - Animals
Crows may be able to make analogies
Crows with little training pass a lab test for analogical reasoning that requires matching similar or different icons.
By Susan Milius - Agriculture
Restoring crop genes to wild form may make plants more resilient
Restoring wild genes could make plants more resilient in tough environments.
- Oceans
Alcatraz escapees could have made it safely to shore
Detailed simulations of the San Francisco Bay suggest that three prisoners who escaped from the prison on Alcatraz Island in 1962 could have made it safely to shore.
- Astronomy
Gamma-ray bursts may repeatedly wipe out life
Brief bursts of high-energy radiation may sterilize most planets across the universe, hampering the chances for widespread intelligent life.
By Andrew Grant - Planetary Science
Solar wind probably leaches Mars’ lower atmosphere
Initial results from NASA's MAVEN probe may help explain how Mars has lost its atmosphere: The solar wind penetrates the Red Planet’s atmosphere and fuels escaping gas.
- Math
Math to match pedestrian behavior is all about timing
The best-ever simulation of pedestrians moving through a crowd relies on a new formula that encapsulates people’s ability to anticipate collisions.
By Andrew Grant