We may not often see it, but all plants are on the move. Plants move in slow motion as they grow. Their roots sense gravity to stretch down into soil.…

Scaly sailors appear to have made a record-setting ocean voyage. Tens of millions of years ago, iguanas in North America crossed the Pacific Ocean. Clinging to plants washed out the…

Lepton (noun, “LEP-tawn”) A lepton is a type of elementary particle. An elementary particle is one that scientists believe is not made of anything smaller. Besides leptons, these include quarks…

Maybe you’ve heard of the TV show The Great British Bake Off. Its contestants take part in baking challenges in hopes of being named champion. But have you heard of…

Scene: A patrol boat cruises through the water, just off a Caribbean island. Cue the pounding drums — a movie-trailer signal that danger approaches. Enter Spinosaurus. Three large, spiny sails…

An estimated one in every 10 U.S. kids has ADHD. That’s short for attention-deficit/hyperactivity disorder. Those with multiple ADHD symptoms are more likely than others to vape, smoke or use…

Sea robins are fish with two large, winglike fins and six crablike legs. But their extra limbs do more than just scurry about the seafloor. Research now suggests that some…

Exoskeleton (noun, “ECKS-oh-skell-eh-ton”) An exoskeleton is an armor-like covering that protects many small invertebrates. Such animals include insects, spiders and crustaceans. The prefix exo- means outside. So an exoskeleton is…