A mysterious signal around Earth could be dark matter
Scientists used Earth’s magnetic field and atmosphere as a planet-sized detector to search for some of the lightest proposed forms of dark matter. The approa...
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Updated 6 min ago · 60 articles from ScienceDaily
80,000-year-old “arrowheads” rewrite human history
Archaeologists have identified tiny 80,000-year-old projectile points in Uzbekistan that may have been used like arrowheads. Their size, design, and impact d...
Heart disease and kidney disease can fuel each other. New guidelines aim to break the cycle
Heart disease and chronic kidney disease can accelerate one another, but new guidelines say simple screening and early treatment could substantially reduce t...
This “new” frog was hiding in plain sight for 100 years
A common frog found across Ecuador and Colombia has finally been recognized as its own species after more than a century of mistaken identity. Museum specime...
Some joints may be primed for rheumatoid arthritis before birth
Scientists have found evidence that vulnerability to rheumatoid arthritis may begin before birth. Finger joints commonly affected by the disease develop with...
Compound in blueberries may help muscle cells burn excess fat
Scientists in Japan have identified a natural compound found in blueberries, grapes, and other berries that may help muscle cells burn excess fat instead of ...
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Life uses 4 DNA letters. Scientists just made 8 work
Researchers at UC San Diego have demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four letters used...
Quantum oscillations defy expectations in this exotic material
Scientists have uncovered an unusual form of electron behavior in zirconium pentatelluride, a quantum material that can act as both an insulator and a conduc...
Scientists overturn a theory about this shark’s strange head
Scientists have overturned a leading explanation for why male and female bonnethead sharks have differently shaped heads. Instead of males developing a point...
Harvard scientists turn knitting into shape-shifting smart fabric
Harvard researchers have transformed ordinary knitting into a platform for creating fabrics that can snap between different shapes and perform useful functio...
Stanford scientists discover a seafood that can reverse signs of aging
A substance found in edible sea squirts appeared to reverse several signs of aging in older mice. Plasmalogen supplements improved memory and learning, stren...
Extreme drought now covers 44% of Puerto Rico
Puerto Rico’s normally rainy season has instead brought a severe and fast-growing drought. By August 25, three-quarters of the territory was in at least mode...
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