Scientists just learned that honeybees can understand the concept of zero. That puts bees in an elite club of clever animals – some birds, monkeys, humans – that can grasp the abstract notion of nothing.
Since the 1970s, scientists have treated pulsars and magnetars as 2 distinct populations of objects. Now they think they might be stages in a single object’s evolution. A new NASA ScienceCast has more.
‘What we are witnessing is major hydrologic change,’ they said. Over 14 years, Earth’s wet land areas got wetter. Dry areas got drier. They also reported multiple hot spots resulting from groundwater depletion.
“After the Wright Brothers proved 117 years ago that powered, sustained, and controlled flight was possible here on Earth, another group of American pioneers may prove the same can be done on another world.”
On Monday, scientists announced new evidence suggesting water vapor plumes on Jupiter’s moon Europa. Could we send a spacecraft through one, to test whether Europa’s liquid ocean – buried below its icy crust – might support life?