January 19, 2019

How do plants eat meat?

Evolution has armed carnivorous plants with a wild and variety of traps for capturing, killing, and devouring dinner. Consider the pitcher plants, whose leaves are disguised […]
January 19, 2019

Why is the ocean salty?

The next time you sputter after accidentally swallowing seawater at the beach, consider this: That bitter liquid around you once washed the land. Each drop of […]
January 19, 2019

Why is it easier to float in the ocean than in a swimming pool?

All that dissolves salt makes seawater more dense (or heavier) than freshwater – and objects float more easily in dense water  The saltwater of the ocean […]
January 19, 2019

Why can’t I drink seawater?

Consider seawater’s awful taste a warning: It contains more salt than your cells and organs can handle. Ocean water is nearly four times saltier than the […]