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The Latest Breaking News from Live Science

Psychedelic drug ayahuasca could treat PTSD, early studies hint. But exactly how it works isn't clear.

Using methods such as brain scans and symptom tracking, scientists are beginning to study whether a complex psychedelic brew known as ayahuasca can help rewire the brain's response to trauma.

LiveScience

Psychedelics may rewire the brain to treat PTSD. Scientists are finally beginning to understand how.

New research shows MDMA and psilocybin may restore neural flexibility in people with PTSD, thereby helping the brain unlearn fear and relearn safety.

LiveScience

Every major galaxy is speeding away from the Milky Way, except one — and we finally know why

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding toward us while our other neighbors are moving away from us.

LiveScience

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The 'mono' virus raises the risk of MS and cancer in some. 22 genes hint at why.

An infection with Epstein-Barr virus is a nonevent for most people. But for a subset, the virus can contribute to chronic conditions and cancer, and genes may play a role in that risk.

LiveScience

Spotted lanternflies are invading the US. They may have gotten their evolutionary superpowers in China's cities.

The alarming spread of spotted lanternflies across the U.S. has been made possible by cities acting as evolutionary incubators, fine-tuning the insects and enabling them to thrive.

LiveScience

Kanzi the bonobo could play pretend — a trait thought unique to humans

Past anecdotal observations have hinted that great apes play pretend. But now, experimental research shows that our closest living relatives can keep track of imaginary objects.

LiveScience

'Nitrogen fixing' trees could help tropical forests bounce back, research suggests

On the narrow isthmus of Panama, scientists discovered adding nitrogen to the soil doubled tree growth, providing new insights into forest restoration.

LiveScience

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Asteroid 2024 YR4's collision with the moon could create a flash visible from Earth, study finds

If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that may be visible to the naked eye, a new study finds.

LiveScience

Men develop cardiovascular disease 7 years before women, study suggests. But why?

Men's heart health tends to decline earlier in life, and the difference is driven largely by coronary heart disease, which appears roughly a decade sooner in men than in women.

LiveScience

'System in flux': Scientists reveal what happened when wolves and cougars returned to Yellowstone

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a rugged landscape for escape, might help cougars avoid violent wolf encounters.

LiveScience

In the search for bees, Mozambique honey hunters and birds share a language with distinct, regional dialects

People searching for honey in Mozambique work with birds via a shared language in a rare case of cooperation between humans and wild animals. This language also comes with regional dialects — that appear to be driven by the birds.

LiveScience

The Colorado River's largest tributary flows 'uphill' for over 100 miles — and geologists may finally have an explanation for it

Millions of years ago, the Green River carved a path through the Uinta Mountains instead of flowing around the formation. Now, researchers have discovered how this could have happened.

LiveScience

When were boats invented?

The oldest physical boat is a canoe from roughly 10,000 years ago, but evidence suggests humans have been using watercraft for at least 50,000 years.

LiveScience

Astronomers spot 'time-warped' supernovas whose light both has and hasn't reached Earth

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them to 'reappear'.

LiveScience

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New triple-drug treatment stops pancreatic cancer in its tracks, a mouse study finds

By targeting three key growth pathways at once, researchers eliminated pancreatic tumors in multiple mouse models and prevented the cancer from returning, a promising step toward overcoming treatment resistance.

LiveScience

Thousands of dams in the US are old, damaged and unable to cope with extreme weather. How bad is it?

Dams in the U.S. are showing signs of damage that are worsening with age and climate change. Could satellites help prioritize repairs amid budget and inspection constraints?

LiveScience

More than 43,000 years ago, Neanderthals spent centuries collecting animal skulls in a cave; but archaeologists aren't sure why

Neanderthals repeatedly returned to the cave to store horned animal skulls, revealing this cultural tradition was transmitted over time.

LiveScience

Critical moment when El Niño started to erode Russia's Arctic sea ice discovered

Scientists discover a tipping point that took place in 2000, where El Niño’s effect on sea ice loss in Siberia was amplified.

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LiveScience

Can AI detect cognitive decline better than a doctor? New study reveals surprising accuracy

Designed to assist rather than replace doctors, a new autonomous tool scans clinical notes to highlight patients who may need urgent follow-up for cognitive decline and potential dementia.

LiveScience

430,000-year-old wooden handheld tools from Greece are the oldest on record — and they predate modern humans

Archaeologists have found the oldest-known surviving examples of handheld wooden tools.

LiveScience

Next-generation AI 'swarms' will invade social media by mimicking human behavior and harassing real users, researchers warn

Artificial intelligence experts have warned that AI "swarms" are poised to infiltrate social media by deploying agents that mimic human behavior and exploit our tendency to follow the herd.

LiveScience

160,000-year-old sophisticated stone tools discovered in China may not have been made by Homo sapiens

Archaeologists have found the oldest known evidence of hafted tools in East Asia, and they challenge a previously held assumption about stone tool use.

LiveScience

Rock climbers in Italy accidentally discovered evidence of an 80 million-year-old sea turtle stampede

Scientists say grooves on a rock face overlooking the Adriatic Sea may have been made by sea turtles fleeing an earthquake.

LiveScience

Shark attacks in Hawaii spike in October, and scientists think they know why

Sharktober is real in Hawaii — and it's down to the reproductive pattern of predatory tiger sharks, an analysis of 30 years of data reveals.

LiveScience

IVF hormones could be delivered with painless 'microneedle' patch someday, early study hints

Scientists are developing a microneedle patch that they hope could someday simplify IVF hormone delivery. They've tested it in animals.

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