Diagnostic dilemma: Junk-food diet caused a teen’s permanent blindness
The patient: A 14-year-old boy in the United Kingdom The symptoms: The teen was brought to his family’s general practitioner because he felt unusually tired.
Category: Science
Tobacco companies are pushing nicotine pouches on teens — and we need to act now to stop them
The use of nicotine pouches is increasing among teenagers and young adults in the U.S. As researchers who study nicotine use among young people and
Scientists show that DNA can last for up to 50,000 years in Africa — much longer than previously thought
Researchers have extracted DNA from a 50,000-year-old tooth belonging to an African antelope, setting a record for the oldest DNA ever retrieved from sub-Saharan Africa
Scientists are deep-freezing koala eggs and sperm to protect the species from extinction
Scientists in Australia are deep-freezing koala eggs and sperm as a “genetic backup” to save the wild population from future extinction. The backup could be
Hubble Sees Crimson Cloud and Stars
A glowing landscape of gas and dust is heated and illuminated by a thriving population of young stars in the LH 95 region of the
A new sort of Alzheimer’s drug shows glimmers of promise
Clinical trial results show an experimental drug lowered tau levels in the brain and slowed some memory loss, but the data came with a surprise
A new map traces the sky’s water highways
Atmospheric rivers bring heavy rain and floods, but if they don’t come around, it could mean drought. A new global map reveals little-known pathways.
A quasar breaks the record for most distant supermassive black hole
The Euclid space telescope discovery could help researchers understand how black holes grew so massive so quickly in the early universe.
‘It affects your daily life suddenly’: Sea level researcher explains why once-in-a-century floods could become the new normal
Extreme coastal flooding events are occurring far more frequently in our warming world than ever before, threatening countless communities that will only become more vulnerable
Space shuttle photobombs Earth for the final time, 15 years ago — Earth from space
QUICK FACTS Where is it? Over the Bahamas What’s in the photo? The space shuttle Atlantis, preparing to dock with the International Space Station (ISS)
NASA Astronaut Anil Menon
NASA astronaut and Expedition 75 flight engineer Anil Menon poses in a spacesuit for a portrait at NASA’s Johnson Space Center in Houston, Texas.
Why Am I Left-Handed?
When I was first learning to write, my letters and words ran from right to left, reversed as if in a mirror. Being left-handed, I
5 ‘extremely rare’ iron shackles discovered in France highlight Celtic slave trade 2,300 years ago
Archaeologists have found five pairs of iron shackles at a 2,300-year-old Celtic site in France — a discovery that suggests the small settlement was frequented
Sweet! Sugar found in raspberries was discovered near the Milky Way’s center, hinting that life’s ingredients are common in space
Interstellar space just got a little sweeter: A type of sugar called erythrulose has been found near the center of the Milky Way, according to