News
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PaleontologyFossils of a new dromaeosaur date to the end of the Age of Dinosaurs
Fossils from a new dromaeosaur recovered from New Mexico suggest these fierce predators were diversifying up to the end of the Age of Dinosaurs.
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GeneticsNo, the coronavirus wasn’t made in a lab. A genetic analysis shows it’s from nature
Scientists took conspiracy theories seriously and analyzed the coronavirus to reveal its natural origins.
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GeneticsSquid edit their genetic material in a uniquely weird place
Some squids’ seeming ability to edit RNA on the fly could help scientists develop a technique much like the DNA-editing tool CRISPR, but for RNA.
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ArchaeologyNew Guinea’s Neolithic period may have started without outside help
Islanders on New Guinea experienced cultural changes sparked by farming about 1,000 years before Southeast Asians arrived, a study suggests.
By Bruce Bower -
Health & MedicineYou can help fight the coronavirus. All you need is a computer
With Folding@home, people can donate computing time on their home computers to the search for a chemical Achilles’ heel in the coronavirus.
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Health & MedicineWhen will the coronavirus pandemic and social distancing end?
Social distancing may have to continue for months to prevent a resurgence of COVID-19. Wider testing and isolation of cases could ease such measures.
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Health & MedicineThe number of steps per day, not speed, is linked to mortality rate
Researchers report an association between the total number of steps a person takes each day and the rate of death from any cause.
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Particle PhysicsParticles called axions could reveal how matter conquered the universe
Axions, if they exist, may solve not one, not two, but three pressing puzzles of particle physics.
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Health & MedicineA tooth-enamel protein is found in eyes with a common form of macular degeneration
Researchers linked a tooth-enamel protein with calcium deposits in eyes suffering ‘dry’ AMD, which could lead to treatments for the vision disorder.
By Alex Fox -
SpaceAstronomers have found the edge of the Milky Way at last
Computer simulations and observations of nearby galaxies let astrophysicists put a firm number on the Milky Way's size.
By Ken Croswell -
Health & MedicineWhy some heart patients may be especially vulnerable to COVID-19
Researchers don’t yet know if the way the coronavirus enters cells may have something to do with the risks to the heart.
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ArchaeologyThe Nazareth Inscription’s origins may refute ties to Jesus’ resurrection
Chemical analysis shows the tablet’s marble came from a Greek island, challenging the idea the decree concerned early Christianity in the Middle East.
By Bruce Bower