Make a UV Detector
On a bright, sunny day, use tonic water to detect ultraviolet (UV) light from the Sun in this DIY Sun Science Activity from Lawrence Hall of Science.
#ExplainTheSun
What does the Sun do? Tell us, using the hashtag
#ExplainTheSun
What Does The Sun Do? Solar Experts Respond
Experts with a vested solar interest weigh in on the sun’s various starring roles.
12:12
Salty Antarctic Aquifers, Penguin Poop, and a 3D-Printed Splint
Salty aquifers deep under Antarctica could be a blueprint for where life might hide out on Mars.
11:37
Seismic Risk and Safety in Nepal
How can cities like Kathmandu become more earthquake resistant in the future?
Build an Earthquake Machine
In this activity from IRIS, students explore a mechanical model of a fault to learn how energy is stored elastically in rocks and released suddenly as an earthquake.
5:52
The Pot-Stirrer
Amanda Glaze studies perceptions of evolution as well as its religious and societal influences throughout the Southeastern United States.
11:44
New Climate Polls, A Comet Mystery, and Puppy Love
Rachel Feltman of the Washington Post gives us her rundown of the week’s science stories.
17:32
Water Wanes in the West
NASA’s Airborne Snow Observatory found that snowpack in the Sierra Nevada is a fraction of what it used to be.
The Problem With Superman, and Other Physics Conundrums
The author of “Geek Physics” answers your pop culture physics questions.