Uncategorized
- Health & Medicine
Messed-up metabolism during development may lead guts to coil the wrong way
Tadpoles exposed to a metabolism-disrupting herbicide had malformed intestines, providing clues to a human condition called intestinal malrotation.
- Animals
A new book explores the transformative power of bird-watching
In Birding to Change the World, environmental scientist Trish O’Kane shows how birds and humans can help one another heal.
- Science & Society
Social media harms teens’ mental health, mounting evidence shows. What now?
Recent studies suggest a causal link between teen social media use and reduced well-being. Now, some researchers are looking into possible mechanisms.
- Health & Medicine
Taking a weight-loss drug reduced a craving for opioids
Early results from 20 people with opioid use disorder raise hopes that popular weight-loss drugs like Wegovy can tackle opioid addiction, too.
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Come along with us on a mathematical mystery tour
Editor in chief Nancy Shute discusses an unexpected breakthrough on a puzzle that has intrigued mathematicians for almost a century.
- Physics
Here’s how scientists reached nuclear fusion ‘ignition’ for the first time
The first fusion experiment to produce an energy excess required meticulous planning and also revealed a long-predicted heating phenomenon.
- Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.
- Planetary Science
NASA’s OSIRIS-REx nabbed over 120 grams of space rocks from asteroid Bennu
After being stymied by two stuck screws, NASA finally accessed a trove of Bennu asteroid bits. Mission scientist Harold Connolly tells what’s next.
- Agriculture
Mixing up root microbes can boost tea’s flavor
Inoculating tea plant roots with nitrogen-metabolizing bacteria enhances synthesis of theanine, an amino acid that gives tea its savoriness.
- Health & Medicine
Newfound immune cells are responsible for long-lasting allergies
A specialized type of immune cell appears primed to make the type of antibodies that lead to allergies, two research groups report.
- Archaeology
These South American cave paintings reveal a surprisingly old tradition
Radiocarbon dates point to an artistic design practice that began in Patagonia almost 8,200 years ago, several millennia earlier than previously recorded.
