For more than a decade, scientists have chased the idea of reviving extinct species, a process sometimes called de-extinction. Now, a company called Colossal Biosciences appears to have done it, or something close, with the dire wolf, a giant, extinct species made famous by the television series “Game of Thrones.” In 2021, a separate team…
A Human Ranking System Intelligence testing would not arise until the 20th century, and the abbreviation “IQ” in 1922, but an early metric of intelligence was established by Francis Galton in his 1869 book, “Hereditary Genius.” Galton, a cousin of Charles Darwin, was a leading proponent of social Darwinism, a pseudoscientific effort to organize human…
Track and field will introduce mandatory DNA sex testing for athletes entering female competitions, its global leader said Tuesday, making it the first Olympic sport to add the requirement. The move comes amid an increasingly vexed debate over eligibility rules in female sports and comes less than a year after the issue erupted at the…
When Dr. Nir Barzilai met the 100-year-old Helen Reichert, she was smoking a cigarette. Dr. Barzilai, the director of the Institute for Aging Research at the Albert Einstein College of Medicine, recalled Mrs. Reichert saying that doctors had repeatedly told her to quit. But those doctors had all died, Mrs. Reichert noted, and she hadn’t….