The United States is wiring Ukraine with sensors that can detect bursts of radiation from a nuclear weapon or a dirty bomb and can confirm the identity of the attacker.In part, the...
Read moreOn warm evenings near Rio de Janeiro, you might find milk fruit trees covered in brownish-orange frogs. While many frogs eat insects, the tree frog species Xenohyla truncata has a taste for...
Read moreWhen it comes to growing food, some of the smallest farmers in the world are becoming some of the most creative farmers in the world. Like Judith Harry and her neighbors, they...
Read moreWhy It MattersScientists still do not fully understand how dust and gas in the early solar system coalesced into moons and planets.Like the first ring around Quaoar, announced by a team of...
Read moreIt has been 20 years since scientists put together the first rough draft of the human genome, the three billion genetic letters of DNA tightly wound inside most of our cells. Today,...
Read moreMoths and other insects are drawn to lights at night as reliably as planets orbit stars.Entomologists have long exploited this fact by setting out light traps whenever they want to collect insects....
Read moreTwo and a half years of meager rain have shriveled crops, killed livestock and brought the Horn of Africa, one of the world’s poorest regions, to famine’s brink. Millions of people have...
Read moreBackgroundDr. Lieber, now 64, had been chairman of Harvard’s chemistry and chemical biology department. For his work on nanotechnology, he had been seen by some as a contender for the Nobel Prize.Since...
Read moreWASHINGTON — The Biden administration’s plan to limit, for the first time, greenhouse gas emissions from existing power plants could hinge on the ability of plant operators to capture carbon dioxide before...
Read moreA patch of pure nothing in a faraway galaxy has lately become the gravitational center of attention for radio astronomers. That would be a giant black hole, with the gravity of 6.5...
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