Horseshoe Crabs: The Good, the Bad, and the...
What has: (1) ancestors that lived with the dinosaurs; (2) many eyes and blue blood; (3) helped save the lives of many...
Young Reviewers
What has: (1) ancestors that lived with the dinosaurs; (2) many eyes and blue blood; (3) helped save the lives of many...
Vampire bats are the only mammals that live on nothing but blood. Blood is almost entirely made of water and protein...
Ticks are parasites that rely exclusively on blood for survival, growth, and reproduction. Closely related to spiders...
Poison dart frogs are some of the most poisonous animals in the world! There are many species all with many different...
Imagine a crime scene with no clues—no cameras, no witnesses—just a tiny hair or a drop of blood. Scientists can still...
Carbon makes up a big part of the bodies of all living things, including you. Carbon in tiny plantlike creatures that...
Millions of tiny organisms living in our soil need our help. These tiny organisms are known as soil microbes. These...
Seabirds, which are the birds that you might see diving for fish in the ocean, are in trouble. Since the 1950s, their...
The ocean is full of life, but it is also in trouble. From plastic pollution to disappearing coral reefs, many things...
The chickens we eat today grow very fast thanks to a special “recipe” used by farmers. This recipe focuses on keeping...
The zebrafish is a small freshwater fish originally from South Asia that likes to live in slow-moving streams and...
Scientists who study birds are called ornithologists. They look at feather color, flight patterns, and much more...