News
- Life
Sea slug steals genes for greens, makes chlorophyll like a plant
A sea slug, long known as a kidnapper of algal biochemistry, can make its own supply of a key photosynthetic compound.
- Space
Saving the Earth with dynamical simulations
A new model suggests how protoplanets kept a safe distance from the sun.
- Archaeology
Ancient hominids may have been seafarers
Researchers have discovered hundreds of African-style stone hand axes on Crete, suggesting that sea-going hominids reached the island hundreds of thousands of years ago en route to Europe.
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- Physics
Symmetry found hidden in supercold atoms
Scientists have detected an elusive, complex symmetry in the frequencies of resonating particles
- Space
Gamma-ray burst may reveal some of oldest dust in the universe
Remote flash may have uncovered supernova-generated dust from just 1 billion years after the Big Bang
- Life
Bornavirus genes found in human DNA
Researchers have found molecular fossils of an RNA virus in human and other mammalian genomes, pushing back the emergence of RNA viruses millions of years.
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- Health & Medicine
New test could discern serious condition early after bone marrow transplant
Protein level in blood reveals graft-versus-host disease, may indicate severity of this complication
- Earth
Footprints could push back tetrapod origins
Newly discovered trackways much older than previous evidence for sea-to-land transition.
- Life
Moss counters shortness with A-bomb-style clouds
Sphagnum overcomes drag by launching its spores in vortex rings.
- Space
Comets don’t all start out on the fringe
A new model suggests that comets also come from the inner Oort Cloud and offers a way to resolve a massive problem about the early solar system.
