News
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Paleontology
Megatooth sharks may have been higher on the food chain than any ocean animal ever
Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.
By Asa Stahl -
Tech
A neck patch for athletes could help detect concussions early
The small sensor is sleeker and cheaper than other devices used to monitor neck strain in athletes.
By Nikk Ogasa -
Archaeology
Britons’ tools from 560,000 years ago have emerged from gravel pits
A new study confirms that an archaeological site in southeastern England called Fordwich is one of the oldest hominid sites in the country.
By Bruce Bower -
Health & Medicine
Monkeypox is not a global health emergency for now, WHO says
The decision comes as the outbreak of the disease related to smallpox continues to spread, affecting at least 4,100 people in 46 countries as of June 24.
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Health & Medicine
5 misunderstandings of pregnancy biology that cloud the abortion debate
The Supreme Court’s scrapping of Roe v. Wade shifts decisions about related health care to states. Accurate science is often missing in those talks.
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Environment
Earth’s oldest known wildfires raged 430 million years ago
430-million-year-old fossilized charcoal suggests atmospheric oxygen levels of at least 16 percent, the amount needed for fire to take hold and spread.
By Sid Perkins -
Microbes
This giant bacterium is the largest one found yet
On average, Thiomargarita magnifica measures 1 centimeter long and maxes out at 2 centimeters. It is 50 times larger than other giant bacteria.
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Paleontology
Vampire squid are gentle blobs. But this ancestor was a fierce hunter
New fossil analyses of 164-million-year-old ancestors of today’s vampire squid show the ancient cephalopods had muscular bodies and powerful suckers.
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Chemistry
Cats chewing on catnip boosts the plant’s insect-repelling powers
When cats tear up catnip, it increases the amount of insect-repelling chemicals released by the plants.
By Anil Oza -
Astronomy
An otherwise quiet galaxy in the early universe is spewing star stuff
Seen as it was 700 million years after the Big Bang, the galaxy churns out a relatively paltry number of stars. And yet it’s heaving gas into space.
By Liz Kruesi -
Physics
Physicists may have finally spotted elusive clusters of four neutrons
Long-sought clumps of four neutrons called tetraneutrons last less than a billionth of a trillionth of a second, an experiment suggests.