Clumps of human nerve cells thrived in rat brains
To coax human nerve cells in a laboratory to thrive, there are three magic words: location, location, location. Many experiments grow human nerve cells...
SCIENTIFIC NEWS
NASA’s DART mission successfully shoved an asteroid
It worked! Humanity has, for the first time, purposely moved a celestial object. As a test of a potential asteroid-deflection scheme, NASA’s DART spacecraft...
The James Webb Space Telescope spied the earliest born stars yet seen
Some of the earliest stars yet seen are now coming to light in one of the first images from the James Webb Space Telescope....
A glimpse inside a gecko’s hand won the 2022 Nikon Small World photo contest
Life is beautiful at all scales, from big to small. Sometimes that splendor is concealed beneath literal scales. A mesmerizing peek below the developing...
Cooperative sperm outrun loners in the mating race
Even sperm gotta stick together. Bull sperm swim more effectively when in clusters, a new study shows, potentially offering insight into fertility in humans....
Why traumatic brain injuries raise the risk of a second, worse hit
In a football game on September 25, Miami Dolphins quarterback Tua Tagovailoa got the pass off but he got knocked down. Fans watched him...
Tree-climbing carnivores called fishers are back in Washington’s forests
Holding an antenna above his head, Jeff Lewis crept through an evergreen forest in the Cascade mountains, southeast of Seattle. As he navigated fallen...
Mars’ buried ‘lake’ might just be layers of ice and rock
“Follow the water” has long been the mantra of scientists searching for life beyond Earth. After all, the only known cradle of life in...
A metal ion bath may make fibers stronger than spider silk
Super strong artificial silk? That’s so metal. Giving revamped silkworm silk a metallic bath may make the strands both strong and stiff, scientists report...
How dormant bacteria spores sense when it’s time to come back to life
Bacteria go to extremes to handle hard times: They hunker down, building a fortress-like shell around their DNA and turning off all signs of...
Clean your plate – to reduce food loss and waste 
Funding cuts put 8.3 million refugees at risk of losing vital assistance 
Yemen escalation fuels fears of further cholera, measles spread 
DRC: Early access to care and oxygen decisive for Ebola patients’ survival – WHO