Why are efforts to boost the small number of Black U.S. physicists failing? | Science

This story is part of a special package about the barriers Black physicists face and potential models for change. Read more C. Smith/Science In the 1990s, physics departments at U.S. universities faced an existential crisis. The number of undergraduate physics majors had plummeted by 25% over 10 years, prompting fears that many departments might disappear … Read more

It Turns Out Species Can Go Extinct Twice… And The Second Time Is For Keeps

Species can actually go extinct more than once. In a biological sense, species become extinct when the last animal of a species stops breathing. But they can also become extinct a second time, researchers say. ¬† When a species disappears from our collective memory and cultural knowledge, it becomes extinct in a different way.¬†That second … Read more