Uncategorized
- Health & Medicine
How dad’s stress changes his sperm
Stress may change sperm via packets of RNA in the epididymis, a mouse study suggests.
- Neuroscience
The brain’s helper cells have a hand in learning fear
After a traumatic experience, rat brains release inflammatory signals that come from astrocytes, suggesting a new role for the brain’s “helper” cells.
- Science & Society
In science, some big risks are worth the rewards
Acting Editor in Chief Elizabeth Quill says scientists sometimes take risks that can lead to significant rewards and important discoveries.
- Science & Society
Readers inspired by SN 10 scientists’ research
Readers wanted to know more about the scientists' research who were profiled in "The SN 10: Scientists to watch."
- Astronomy
Haze keeps Pluto cool by kicking heat out to space
Pluto may be the only place in the solar system whose atmosphere is kept cool by solid hazes, not warmed by gas.
- Archaeology
How Asian nomadic herders built new Bronze Age cultures
Ancient steppe herders traveled into Europe and Asia, leaving their molecular mark and building Bronze Age cultures.
- Animals
These spiders may have the world’s fastest body clocks
Three orb-weaving spiders may have the shortest circadian clocks yet discovered among animals.
- Cosmology
Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles
Better simulating the dense parts of the universe could improve scientists’ view of how the universe evolves.
- Astronomy
Ancient spiral galaxy is 11 billion years old
The most ancient spiral galaxy seen to date is 11 billion years old and could help reveal how galaxies sprout arms.
- Health & Medicine
New blood pressure guidelines put half of U.S. adults in unhealthy range
New hypertension guidelines broaden the range of those considered to have high blood pressure and emphasize lifestyle changes to combat the condition.
- Animals
The Lord Howe stick insect is officially back from the dead
New genomic sequencing confirms that stick insects discovered near Lord Howe Island are the assumed-extinct Lord Howe stick insect.
- Health & Medicine
Cholera pandemics are fueled by globe-trotting bacterial strains
International cholera strains, rather than local ones, have caused raging epidemics, according to research that examined the bacteria’s DNA.
