European astronomers using the James Webb Space Telescope have detected a previously unknown asteroid about the size of Rome's Colosseum in the main asteroid belt between Mars and Jupiter.
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Saturday, February 11, 2023
We found 2.9-million-year-old stone tools used to butcher ancient hippos—but likely not by our ancestors
On the shores of Lake Victoria in Kenya, a short valley extends south towards the looming Mount Homa. From it have emerged some of the oldest-known stone tools used to butcher large animals, as well as the oldest remains of one of our early cousins, Paranthropus—a genus we think co-existed with our direct ancestors.
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Beach erosion: Satellites reveal how climate cycles impact coastlines
Researchers from UNSW Sydney have analyzed millions of satellite photos to observe changes in beaches across the Pacific Ocean. The findings, published in Nature Geoscience today (Feb. 10), reveal for the first time how coastlines respond to different phases of the El-Niño-Southern Oscillation (ENSO) cycle.
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In the US, menopause finally gets its due
For years, the sweeping physical and emotional midlife change that women undergo has been shunted to the shadowy corners of public view, and barely even discussed among friends.
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