Frozen, ice-age squirrel poop doesn’t stink. At least not at first. But that changes if it warms. As it thaws, the smell shows fecal pellets are not just stony fossils.…

When Ronald Gamble first learned about black holes as a teen, he read as much as he could about them. But he noticed that researchers still had much to learn about how they worked. “The mystery of…

Midden (noun, “MID-den”) A midden is a garbage pile or dump site left by ancient people. This word also describes a pile of items gathered by an animal. Old trash…

A cave in Africa seems to host the oldest known traces of humans using fire. Burnt remnants of animal bones hint that groups of Homo erectus used fires here as long…

While John Harvey was working as a veterinarian in Devon, England, his clinic looked for ways to lower its carbon footprint. They installed energy-efficient light bulbs. This got Harvey thinking:…

Is it a good idea to use artificial intelligence (AI) for math help? Yes — and no. That’s based on the results of a new survey. AI can be a…

Kids learn in grade school that honeybees “create” a new queen bee by feeding a larva royal jelly. A new study find that the young bee’s diet may be only…

Phenology (noun, “Fen-AW-luh-jee”) Phenology is a field of science. It studies the seasonal and environmental cues that trigger life-cycle changes in living things. Imagine a tree as winter turns to…