Four new elements are joining the periodic table. Three of them thanks to a team led by Dawn Shaughnessy.

Image: Wikimedia.

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Andrea Mueller has always loved racing, and now she’s a lead race engineer in NASCAR helping lead Team Penske to victory.

Image: Wikimedia.

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Thanks to the work of Alice Evans, we can drink milk knowing that it’s been pasteurized to remove harmful bacteria.

Image: Wikimedia.

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Today marks the thirtieth anniversary of the tragic explosion of the Space Shuttle Challenger which killed its seven crew members including mission specialist Judith Resnik.

Image: NASA

Lilli Hornig was a member of the Manhattan Project, and witnessed the first atomic bomb tests.

Image: Wikimedia / Los Alamos National Laboratory.

Meet Esther Lederberg, a microbiologist who made many influential discoveries.

Image: Wikimedia.

Meet the first woman to drive on Mars, NASA’s Ashley Stroupe.

Image: NASA/JPL.

Astronomer Annie Jump Cannon found star classification systems didn’t fit her needs, so she created a new one that we still use today. Image: Wikimedia.

Meet Dr. Elizabeth Blackwell, the first woman to earn a medical degree.

Image: Wikimedia

Roberta Bondar was both the first neurologist and the first Canadian woman in space.

Image: Wikimedia.