Two endangered Mexican beaded lizards have hatched at the Wroclaw Zoo in Poland, boosting the population of the venomous lizards. The zoo said the lizards, which are difficult to breed in captivity, hatched in late February at the zoo's terrarium, where the eggs had been kept in an incubator since an adult female laid them in August.
Johnson & Johnson's COVID-19 vaccine will remain in limbo for a while longer after government health advisers declared Wednesday that they need more evidence to decide if a handful of unusual blood clots were linked to the shot — and if so, how big the risk really is.
A rare, rogue immune response is the main suspect as authorities investigate highly unusual blood clots following use of two similar COVID-19 vaccines from Johnson & Johnson and AstraZeneca. These are not typical blood clots. They’re weird in two ways.
Iran will begin enriching uranium up to 60% purity after an attack on its Natanz nuclear facility, a negotiator said Tuesday, pushing its program to higher levels than ever before though still remaining short of weapons-grade.
Iran's nuclear program has been targeted by diplomatic efforts and sabotage attacks over the last decade, with the latest incident striking its underground Natanz facility.
The attack Sunday at Natanz comes as world powers try to negotiate a return by Iran and the U.S. to Tehran's atomic accord. The sabotage threatens to upend those negotiations and further heighten regional tensions across the Mideast.
Yuri Gagarin's pioneering, single-orbit flight made him a hero in the Soviet Union and an international celebrity. After putting the world's first satellite into orbit with the successful launch of Sputnik in October 1957, the Soviet space program, rushed to secure its dominance over the United States by putting a man into space.
For decades, a deadly type of childhood cancer has eluded science’s best tools. Now doctors have made progress with an unusual treatment: Dripping millions of copies of a virus directly into kids’ brains to infect their tumors and spur an immune system attack.