On his fishing boat moored in the Greek port of Ierapetra in southwestern Crete, Alexis Charlambakis pries open the mouth of a freshly caught pufferfish to reveal two massive teeth on each jaw.
Ecology
4 hours ago
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The UK Space Agency has announced an agreement with Vast—a US commercial space company—that could send British astronaut John McFall into orbit as early as 2027. If the mission goes ahead, he would become the first person ...
Space Exploration
11 hours ago
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6
Sulfur is one of the most abundant elements in the universe. If you peer into a diffuse interstellar cloud, you find loads of it—about the amount expected based on fusion patterns in the stars it was born in. However, if ...
Astrobiology
12 hours ago
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10
The increased public attention on racial injustice after the murder of George Floyd influenced how Black and white employees interacted at work, new University of Washington research suggests. The study, recently published ...
Social Sciences
14 hours ago
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4
A debate has been raging among planetary scientists for more than a decade—why are there so few exoplanets with a radius of about 1.8 times that of Earth? Exoplanets are currently largely grouped into two distinct categories—"super-Earths" ...
Planetary Sciences
16 hours ago
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15
If we're to reach another star, chemical propulsion will not get us there in any reasonable time frame. We're going to need a different propulsion technology, and one of the most promising seems to be a solar sail. These ...
Space Exploration
17 hours ago
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33
When a whale dies, a very special natural phenomenon can come alive. The carcass might float at the surface for some time, attracting sharks and other predators. As it becomes weathered, it may start to sink, falling through ...
Paleontology & Fossils
18 hours ago
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34
Some barley beers labeled "gluten-free" contain small amounts of gluten residues that may trigger celiac disease but are not detected by the standard antibody-based tests currently in use, according to a study by the Leibniz ...
Molecular & Computational biology
21 hours ago
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10
Early biological systems likely relied on RNA molecules to copy themselves and drive simple chemical reactions. Any system that could generate guanosine-triphosphate (GTP)—which is necessary for RNA synthesis—from prebiotic ...
Biochemistry
22 hours ago
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15
We see glass objects every day and often don't think much about them. Mass-produced glass has become so cheap we barely think about the things it allows us to do.
Archaeology
13 hours ago
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