A bird nest on a tree branch with five blue eggs inside.
In the News

What factors affect egg shape?

You may have seen some American robin eggs in a nest—light blue, oval-shaped, and about the size of a quarter. A brown hawk owl’s eggs are medium-sized, almost perfectly round, and light brown. Sandpiper eggs … Read more

A tornado near McLean TX
In the Know

How do tornadoes form?

Every state in the U.S. has experienced a tornado (a powerful, rotating column of air that touches the ground) at least once. Some places, like Tornado Alley get over 500 tornadoes a year! With winds … Read more

An infographic showing examples and definitions of tornado warnings and watches on a map.
In the Know

How can you stay safe during a tornado?

March is the beginning of tornado season in the southeastern United States. But tornadoes (a powerful, rotating column of air that touches the ground) also happen in many other states throughout the summer and fall. … Read more

Woodpecker finch using stick as a tool for foraging.
In the News

How might a cow use a broom?

If you were going to make a birdhouse out of wood, would you use tools (something that helps do a task)? Probably. For example, you might use a saw to cut the wood into pieces, … Read more

A groundhog emerging from a snow-covered den.
In the Know

Will spring come early?

It’s February 2nd, and people are celebrating Groundhog Day! Famous groundhogs, such as Punxsutawney Phil and Buckeye Chuck, are woken up from their winter sleep. Will they see their shadows? Will spring come early, or … Read more

Scientist viewing DNA gel used in genetics and other sciences.
In the News

The Human Genome Project

Treatment for disorders caused by genes, medicine that works better, and crops that can survive a drought. What do these have in common? To answer the question, let’s go back in time a little bit. … Read more

A lone coastal wolf explores the tidal zone on Vancouver Island, Canada.
In the News

Who is pulling in the crab traps?

In 2023, a conservation group (group that helps protect land, water, or other resources) in British Columbia, Canada had a mystery to solve. They put crab traps (something used to catch animals) in the water. … Read more

A map of Charles Darwin’s voyage on the HMS Beagle.
In the News

The Voyage of the HMS Beagle

Imagine spending almost five years sailing around the world, living on a boat the whole time! That is what Charles Darwin did from 1831–1836. He was the naturalist (a person who studies plants and animals … Read more