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The Latest Breaking News from Live Science

Why do only some animals have periods?

Humans are not the only organisms that have periods — some animals do too, but scientists still aren't sure why.

LiveScience

What happens when you 'hit the wall'?

Experts tell Live Science what it means to "hit the wall" while exercising and how to avoid it.

LiveScience

Double mastectomies don't increase cancer survival, study suggests

Other types of surgery besides double mastectomies are equally good at lowering death rates in women with cancer in one breast.

LiveScience

From analysis to the latest developments in health,
read the most diverse news in one place.

What's the difference between gram-positive and gram-negative bacteria?

There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different antibiotics.

LiveScience

Scientists have found a secret 'switch' that lets bacteria resist antibiotics — and it's been evading lab tests for decades

Microbiologists are on a quest to unravel a rare phenomenon involved in antibiotic resistance and how it may change our understanding of infections.

LiveScience

Scientists drill longest-ever piece of Earth's mantle from underwater mountain near 'Lost City'

Scientists just pulled the longest hunk of Earth's mantle from beneath the ocean.

LiveScience

Plate tectonics fired up at least 3 billion years ago, study of ancient rocks in Australia indicates

Researchers have discovered the world's oldest known arc-slicing fault in Australia, intensifying the debate over the origins of plate tectonics.

LiveScience

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'A king will die': 4,000-year-old lunar eclipse omen tablets finally deciphered

Tablets added to the British Museum's collection many decades ago have finally been deciphered.

LiveScience

17th-century pirate 'corsair' shipwreck discovered off Morocco's Barbary Coast

The wreck is the first time the remains of a pirate corsair have been found in the region known as the Barbary Coast.

LiveScience

'Love hormone' oxytocin may be missing link between sleep apnea and high blood pressure

Scientists found that two brain-made chemicals, including oxytocin, may play a role in increasing blood pressure after repeated periods of low oxygen.

LiveScience

What were the first animals to have sex?

Animals have been reproducing sexually for hundreds of millions of years, but not always like we do it.

LiveScience

How many galaxies are in the universe?

If we can see at most 3% of the universe, how can we estimate the total number of galaxies in it?

LiveScience

Once-in-a-lifetime nova explosion from T Coronae Borealis will create a 'new star' in the sky

The T Coronae Borealis nova will soon burst into life above our heads for the first time in 78 years.

LiveScience

Minerals evolve under pressure in the same way life does, researchers find

Researchers say they've discovered evidence for the recently proposed 'law of increasing functional information' by proving that minerals evolve as life does.

LiveScience

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LiveScience

Scientists uncover microbes that destroy 'forever chemical' pollutants

Little is known about the fate of PFAS in our environment, but new research finds that bacteria in wastewater can degrade specific types of "forever chemicals."

LiveScience

3,600-year-old jewelry and weapon hoard found under field in Czech Republic

Archaeologists used metal detectors to find the hoard, which includes several pieces of jewelry and weapons.

LiveScience

Olympic athletes dive into the Seine — days after it was deemed too contaminated with poop for safe swimming

Olympic triathlon racers finally dove into the Seine following postponements due to poor water-quality test results. Will the water stay swimmable?

LiveScience

At what age does athleticism peak in different sports?

The Paris Olympics welcome the strongest, fastest and sharpest athletes in the world. But to what extent does age raise or lessen their chances of gold?

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LiveScience

'Simone is a very, very rare bird': Experts discuss the science behind Simone Biles' gymnastic prowess

Even among the world's most elite gymnasts, American Simone Biles, now competing in her third Olympic Games, is a standout.

LiveScience

Should you floss before or after you brush your teeth?

You've probably had a dentist remind you to floss — but when's the best time to do so?

LiveScience

Ancient Egyptians used a hydraulic lift to build their 1st pyramid, controversial study claims

A massive water-treatment facility located near the Nile River may have been used to build the pyramid of Djoser.

LiveScience

Short-term vegan diet may slow aging, but questions remain

A small trial in identical twins has shown that going vegan for two months may slow aging, but the findings should be interpreted cautiously, experts say.

LiveScience

Why do strawberries have seeds on the outside?

While it may initially appear that strawberries are fruits covered in seeds, this is not actually the case.

LiveScience

What's the heaviest weight a person can lift?

The world's strongest lifters on record won acclaim for hoisting thousands of pounds into the air at one time. Could they ever go heavier?

LiveScience

Why do we see colors that aren't there?

Here's how our brains construct color in our environment.

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