What do neurons look like? Freeze brain tissue instead of drying it and the smooth textbook cable turns into a string of pearls. Scientists are arguing.
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NASA’s Roman Space Telescope May Now Last 22 Years. Here’s the Real Reason.
The Roman Space Telescope used 18 kg of a 200 kg fuel budget on its first course fix. Why it may now last 22 years, and the quiet margin almost everyone missed.
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Betel Nut in Ice Age Teeth: The Oldest Drug Habit May Have Begun With a Toothache
Betel nut traces in Ice Age teeth from Sulawesi may be the oldest drug habit ever found. The twist: the relief was quietly making the toothache worse.
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Death-Resistant Cells: The Ones That Almost Died Rebuilt the Tissue
Death-resistant cells rebuilt nearly half of damaged fly tissue in 48 hours. The surprise: they had already started to die. What it means, and what it doesn’t.
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Liquid Nitrogen on Pluto? The Clue Hiding in Its Heart for 11 Years
Liquid nitrogen on Pluto? Photos New Horizons took in 2015 show dark cracks in its heart-shaped glacier that may be signs of liquid seeping up from below.
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New Crater on the Moon: A 2024 Impact Nobody Saw Happen
A new crater on the Moon, 222 m wide, was made by a 2024 strike no telescope saw. NASA’s orbiter photographed it, and the record waited over a year to be found.
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Do Animals Grieve? A Humpback Mother Stayed With Her Calf
Do animals grieve? A humpback whale mother was filmed staying beside her stillborn calf on the sea floor for hours. What scientists can and can’t say about it.
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Youngest Planet Ever Found Is Under 1 Million Years Old
The youngest planet ever found is a Jupiter-sized world under 1 million years old. It hid in old telescope data for years, and it puzzles the astronomers.
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Tanzania Fossil Shows Oldest Dinosaur Rocks May Be Younger
A Tanzania fossil collected in 1963 just tied Africa’s early dinosaur rocks to South America, and the match suggests they may be younger than anyone thought.
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Desalination Without Brine: The Salt Comes Out Solid
Desalination without brine now works in a lab. Laser-etched black metal pulls fresh water from seawater and walks the leftover salt off as a dry solid.