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BROADCASTS
Listen to the full 2-hour Science Friday broadcast, from last week or any week you like.
7:07
A New Astronaut Class Begins The Journey To The Stars
Plus, the health effects of your bread choices, wolves’ sense of equality, and more news from the week in science.
4:42
Finding An Earthly Home For The Thirty Meter Telescope
The instrument’s original site plans set off a controversy. Another site is available, but relocation won’t be easy.
9:18
Is Your Sunscreen Living Up To Its Promise?
A new report says only one quarter of SPF products on the market are up to snuff.
7:50
The Sunscreen Of The Future
A customizable melanin-like material could offer better protection from the sun.
11:54
Can You Hold An Algorithm Accountable?
Regulating algorithms could offer better insight into why they fail.
17:10
The Road To CRISPR
Biochemist Jennifer Doudna describes her work on developing the CRISPR-Cas9 technique and the ethical concerns of using the revolutionary tool.
10:03
Weighing A Star With Gravity: Einstein’s ‘Impossible’ Experiment
A century ago, we used general relativity to weigh the sun. A research team has finally done the same for a star outside our solar system.
6:05
The Hottest Known Exoplanet Is (Probably) Slowly Melting Away
Researchers find a doomed planet orbiting a massive hot star.
16:20
Fossil Finds Could Mean A Wider ‘Cradle Of Humanity’
Hominin fossils dating to 300,000 years ago have been found at a site in Morocco.
7:44
Trump Pulls US From Climate Agreement
President Trump pulled the U.S. from the Paris Climate Agreement, plus CRISPR human trials, a NASA sun orbiter, and more.