On This Day

Four female U.S. Supreme Court justices (© AP Images)

How a cowgirl from Arizona leaped barriers to make history

In 1981, Sandra Day O'Connor became the first woman judge on the U.S. Supreme Court. Her story shows how education can empower women to become leaders.
International Space Station over Earth (NASA)

Who owns the moon? We all do.

Thanks to the Outer Space Treaty, which came into force on October 10, 1967, there are no nuclear weapons in outer space and no military bases on the moon.

Nations reaching together for the stars…on this day

Humans have imagined living in space for as long as they have looked up at the stars. Sixteen years ago today, on November 20,...
Matt Damon has announced a toilet strike to raise awareness of sanitation problems around the world (AP Images)

Matt Damon says he won’t use a toilet. Here’s why.

More people have cellphones than have access to a toilet. About 6 billion people have cellphones and only 4.5 billion have access to a...

Honoring those who give…on this day

In 347 B.C.E., Plato left his farm to a relative, directing that the proceeds be used to support students and teachers at an academy...

Another reason your Mom was right about that healthy breakfast…on this...

If you want to avoid diabetes, it’s a good idea to start by eating a healthy breakfast. That’s the message for World Diabetes Day 2014.
Room in science museum (Flickr/Thomas Hawk)

Time to honor your science teacher…on this day

The discovery of DNA, the development of lifesaving vaccines, the landing of the Curiosity rover on Mars. Science is behind fascinating discoveries.
President Obama and family (AP Images)

First African-American president elected…on this day

On November 4, 2008, Senator Barack Obama of Illinois became the first African American elected as president of the United States. He was re-elected...
Girls showing President Obama their design for a bridge (AP Images)

Today’s Girl Scout, tomorrow’s scientist?…on this day

Founded over a century ago, the Girl Scouts help school-age girls build character and learn the importance of community service. On October 31, 2.3...