Freshwater fish are in trouble: Here’s how we can help them
Human activities threaten the survival of many freshwater fish species. Research is now pointing to how we can best overcome those threats.
Human activities threaten the survival of many freshwater fish species. Research is now pointing to how we can best overcome those threats.
Radiant energy and primordial space dust span the vast reaches between star systems.
The “Goldilocks zone” for fast animal speed seems to depend on a body not being too small or so big it gets in the way of its own strength.
Cancer is a whole collection of diseases with one thing in common: all develop when the body’s cells start dividing out of control.
Video shows narwhals using their tusks to prod — even flip — fish they don’t target as prey. It’s the first reported evidence of these whales playing.