In the Know
Hearts in Animals
The Heart’s Job You probably know you need oxygen to live. In fact, all the cells in your body need oxygen—and your heart makes sure they get it. A heart is an organ inside you … Read more
In the Know
In the Know
The Emancipation Proclamation
In 1863, the United States was approaching the third year of devastating civil war, pitting the Union (northern states) against the Confederacy (the southern states). The major issue dividing the country was slavery. Abraham Lincoln … Read more
In the Know
Black History Month: Dr. Carter G. Woodson
Black History Month started in 1970, proposed by African American educators and students at Kent State University. But long before the month was proposed, Dr. Carter G. Woodson founded a week to honor contributions that … Read more
In the News
Predicting the Weather Just Got Easier!
From students hoping for a snow day to long-distance travelers, everyone wants to know about the weather. Forecasting weather is among the greatest scientific achievements of the last century. Meteorologists can predict weather about a … Read more
In the Know
Icy Adventure
It’s winter, and the air is cold but calm. You’ve just trekked a mile across a frozen section of Lake Superior. You’re ready to explore the ice caves of the Apostle Islands! These caves are … Read more
In the Know
Remembering the Chicago Blizzard of 1967
January 24, 1967 was a warm day in Chicago. Weather forecasters predicted that temperatures would fall and that the city might get 4 inches of snow the next morning. But the snow that started a … Read more
In the Know
Waclawa Zak: A Story of Resistance
January 27 is International Holocaust Remembrance Day. It’s a day to remember the tragedy of the Holocaust during the Second World War. On this day, we also think about heroes of World War II, those … Read more
In the Know
Help Save Kelp!
What is kelp? Because kelp looks so much like grass, many people assume it is a plant. However, kelp belongs to the kingdom Protista. This kingdom is made up of organisms with simple cellular organization. … Read more
In the Know
How New Amendments Strengthen the Bill of Rights
December 15th is Bill of Rights Day. The Bill of Rights, the first ten Amendments to the United States Constitution, was passed into law on December 15, 1791. An amendment is an addition or a … Read more
In the Know
How Does the United States Respond to Immigration?
December 18th is International Migrant Day. Migration brings challenges and opportunities for migrants and for the countries where they move. Throughout history people have come to the United States to escape such hardships as war, … Read more