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We summarize the week's scientific breakthroughs every Thursday.
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AnimalsDoes this drone image show a newborn white shark? Experts aren’t sure
If a claim of the first-ever sighting of a newborn white shark holds, it could help solve a mystery of where adult white sharks give birth.
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AnimalsMigratory fish species are in drastic decline, a new UN report details
The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.
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Artificial IntelligenceHow do babies learn words? An AI experiment may hold clues
Using relatively little data, audio and video taken from a baby’s perspective, an AI program learned the names of objects the baby encountered.
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NeuroscienceA new device let a man sense temperature with his prosthetic hand
A device that can be integrated into prosthetic hands capitalizes on phantom sensations to enable users to sense hot and cold.
By Simon Makin -
AnimalsHere’s how many shark bites there were in 2023
The chance of being bitten by a shark is still incredibly slim, according to a new report from the Florida Museum of Natural History.
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AnimalsThe first known scorpion to live with ants carries mini hitchhikers
Small arachnids hitch a ride on the scorpion, possibly to get inside food-rich ant nests.
By Jake Buehler -
PlantsHere’s why blueberries are blue
Nanostructures in a blueberry’s waxy coating make it look blue, despite having dark red pigments — and no blue ones — in its skin, a new study reports.
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PlantsThis weird fern is the first known plant that turns its dead leaves into new roots
Cyathea rojasiana tree ferns seem to thrive in Panama’s Quebrada Chorro forest by turning dead leaves into roots that seek out nutrient-rich soil.
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PaleontologyA rare 3-D tree fossil may be the earliest glimpse at a forest understory
The 350-million-year-old tree, which was wider than it was tall thanks to a mop-top crown of 3-meter-long leaves, would look at home in a Dr. Seuss book.
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Planetary ScienceBacteria that can make humans sick could survive on Mars
Experiments suggest that common illness-causing microbes could not only survive on the Red Planet but also might be able to thrive.
By Adam Mann -
Paleontology50 years ago, trilobite eyes mesmerized scientists
Decades of research has confirmed that for such simple creatures, trilobites had astoundingly complex eyes.
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AnimalsExplore the expected life spans of different dog breeds
An analysis of dogs in the United Kingdom found that breeds like miniature dachshunds have the longest life spans while bulldogs have the shortest.