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Uncover leaves’ hidden colors in this science activity

Objective: Separate the different pigments in tree leaves Areas of science: Chemistry, Plants Time required: 1–2 days Key concepts: plant pigments, paper chromatography, leaves Credits: Teisha Rowland, PhD, Science Buddies;…

Watch out: Hail can get really big!

Chunks of ice fall from the sky, bounce off hard surfaces — and sometimes even break windshields and hurt crops. Maybe you’ve seen these pieces of ice laying on the…

New study links chemical in plastics to fatal heart disease

A common ingredient of many plastics has just been linked to a high risk of death from diseases of the heart and blood vessels. The chemical is known as DEHP.…

How do lizards find food to eat?

Abstract What is your hide-and-seek strategy? Maybe you search one area at a time, look for signs of movement, or even listen to see if you can hear your friends.…

A real-life vampire probably couldn’t survive on blood alone

Vampires have been stalking the human imagination for centuries. These fictional creatures take many forms, including the famous Count Dracula and Morbius of the Marvel Universe. But most share one…

A century later, impacts of the Scopes ‘Monkey Trial’ still echo

One hundred years ago, a small town in eastern Tennessee captured the attention of the entire country. A biology teacher in Dayton was accused of teaching human evolution to his…

Birds of paradise have a newly discovered glow

Male birds of paradise can really put on a show. They aren’t just adorned with striking colors. They’re also known to use snazzy dance moves to woo potential mates. Now,…

This astronomer searches for alien chemistry and tech 

One of the main ways that scientists look for extraterrestrial life is by detecting radio waves. When people hear this, they often think it involves snooping on aliens, says Chenoa…

DNA reveals the origin of East Asia’s favorite sweet bean 

Red adzuki beans are a beloved staple in East Asia. Cooks tuck a sweet paste made from them inside mochi, swirl it into mooncakes and layer it beneath custard in…

Scientists Say: Genome

Genome (noun, “JEE-nome”) A genome is an organism’s complete set of genetic instructions. For most living things, genetic instructions come in the form of DNA. This molecule contains the instructions…