All Stories
- Neuroscience
Clumps of human nerve cells thrived in rat brains
New results suggest that environment matters for the development of brain organoids, 3-D nerve cell clusters that grow and mimic the human brain.
- Planetary Science
NASA’s DART mission successfully shoved an asteroid
Data obtained since the spacecraft intentionally crashed into an asteroid show that the impact altered the space rock’s orbit even more than intended.
- Astronomy
The James Webb Space Telescope spied the earliest born stars yet seen
The stars, found in the first released science image from the James Webb Space Telescope, probably winked into existence about 13 billion years ago.
- Life
A glimpse inside a gecko’s hand won the 2022 Nikon Small World photo contest
The annual competition highlights microscopic images that bring the smallest details from science and nature to life.
- Health & Medicine
Cooperative sperm outrun loners in the mating race
Sperm that swim in clusters travel more directly toward the uterus, while overcoming fluid currents in the reproductive tract.
- Neuroscience
Why traumatic brain injuries raise the risk of a second, worse hit
Recent hits to Miami Dolphins quarterback Tua Tagovailoa have reignited discussions of brain safety for professional football players. Brain experts weigh in.
- Animals
Tree-climbing carnivores called fishers are back in Washington’s forests
Thanks to a 14-year reintroduction effort, fishers, or “tree wolverines,” are once again climbing and hunting in Washington’s forests after fur trapping and habitat loss wiped them out.
- Planetary Science
Mars’ buried ‘lake’ might just be layers of ice and rock
Evidence grows that possible detections of liquid water buried near Mars’ south pole might not hold water.
- Life
A metal ion bath may make fibers stronger than spider silk
The work is the latest in a decades-long quest to create artificial fibers as strong, lightweight and biodegradable as spider silk.
- Microbes
How dormant bacteria spores sense when it’s time to come back to life
Bacterial cells shut down and become spores to survive harsh environments. An internal countdown signals when it’s safe for bacteria to revive.
- Humans
Here’s where jazz gets its swing
Swing, the feeling of a rhythm in jazz music that compels feet to tap, may arise from near-imperceptible delays in musicians’ timing, a study shows.
- Health & Medicine
Losing amphibians may be tied to spikes in human malaria cases
Missing frogs, toads and salamanders may have led to more mosquitoes and potentially more malaria transmission, a study in Panama and Costa Rica finds.
