Why do we use gasoline for small vehicles and diesel fuel for big vehicles?
Both gasoline and diesel fuel are refined from crude oil, but they are good for different things and can’t be used interchangeably.
Oct. 28, 2024 • ~6 min
Is it bad to listen to music all the time? Here’s how tunes can help or harm
Listening to music and doing homework can be in harmony − as long as you turn down the volume.
Sept. 30, 2024 • ~8 min
Why can’t it always be summer? It’s all about the Earth’s tilt
The tilt of the Earth and your distance from the equator are just 2 reasons why summer’s not year-round.
Sept. 20, 2024 • ~7 min
Will your phone one day let you smell as well as see and hear what’s on the other end of a call?
Phones that transmit odors sound like science fiction, but researchers are working on making them real.
Sept. 16, 2024 • ~5 min
What is space made of? An astrophysics expert explains all the components – from radiation to dark matter – found in the vacuum of space
While space is mostly empty, it does have some matter and particles spread throughout it.
Aug. 30, 2024 • ~8 min
What is mental imagery? Brain researchers explain the pictures in your mind and why they’re useful
Here’s how your brain visualizes scenarios that you’re not actually looking at with your eyes.
Aug. 26, 2024 • ~7 min
Could dinosaurs still exist somewhere in the world? A paleontologist explains
It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it through the extinction event 66 million years ago may surprise you.
Aug. 12, 2024 • ~7 min
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