It looked like a white splotch on the underside of a Neanderthal stone tool. But a microscope showed it was a bunch of fibers twisted around each other.Further examination revealed it was the first direct evidence that Neanderthals could make string, and the oldest known direct evidence for string-making overall, researchers say. The find implies our evolutionary cousins had some understanding of numbers and the trees that furnished the raw material, they say. It’s the latest discovery to show Neanderthals were smarter than modern-day people often assume. Bruce Hardy, of Kenyon College …

Apollo 13’s astronauts never gave a thought to their mission number as they blasted off for the moon 50 years ago. Even when their oxygen tank ruptured two days later — on April 13.Jim Lovell and Fred Haise insist they’re not superstitious. They even use 13 in their email addresses.As mission commander Lovell sees it, he’s incredibly lucky. Not only did he survive NASA’s most harrowing moonshot, he’s around to mark its golden anniversary.”I’m still alive. As long as I can keep breathing, I’m good,” Lovell, 92, said in an …

Brooklyn is dark except for the streetlamps when Carla Brown’s alarm goes off at 5:15 a.m. — much too early for an average Monday. But with the coronavirus laying siege to New York, today looms as anything but ordinary.Brown runs a meals-on-wheels program for elderly shut-ins and in her embattled city, that label suddenly fits nearly every senior citizen. For two weeks, she’s been working 12- to 14-hour days, taking over routes for sick or missing drivers. Today, she has to find room on the trucks for more than 100 …

Iran’s supreme leader suggested Thursday that mass gatherings may be barred through the holy Muslim fasting month of Ramadan amid the coronavirus pandemic, as Amnesty International said it believed at least 35 Iranian prisoners were killed by security forces amid rioting over the virus. Supreme Leader Ayatollah Ali Khamenei made the comment in a televised address as Iran prepares to restart its economic activity while suffering one of the world’s worst outbreaks. He is also the highest-ranking official in the Muslim world to acknowledge the holy month of prayer and …

A U.S.-Russian space crew blasted off for the International Space Station (ISS) Thursday from Russia’s Baikonur Cosmodrome in Kazakhstan.NASA astronaut Chris Cassidy and Russian cosmonauts, Anatoly Ivanishin and Ivan Vagner lifted off as scheduled in a Soyuz MS-16 spacecraft.Russian space officials had taken extra precautions to protect the crew during training and pre-flight preparations following the outbreak of the coronavirus. The usual group of reporters was not present at lift off, though the crew did speak to journalists via video link Wednesday.Cassidy said the crew has been in “a very …