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February 22, 2019
Four telescope projects have been nominated to be NASA’s next great observatory. But who will win the Oscars of space? Plus, why do grapes spark in the microwave?
4:47
For Kids, State Flu Shot Rules Vary
Don’t assume that the whole family can get a flu vaccine at the local pharmacy.
11:52
Trump Administration Cracks Down On Fetal Cell Research
The Department of Health and Human Services is conducting a "comprehensive review" of research involving fetal tissue—and has disrupted an HIV research program in the process.
17:00
Is This The Dawning Of The ‘Age Of Schadenfreude?’
Taking pleasure from someone else’s pain may make you feel like a jerk, but it’s a very natural emotion.
16:31
The Deadly Proteins Stalking Deer
Prions that cause Chronic Wasting Disease are devastating deer populations. Clues to solutions may lie in soil science.
33:44
What Happens When You Double Dip That Chip?
Does double-dipping a chip really infect the dip? Is the five-second rule real? Plus, a look at other food myths.
6:17
Three Years Later, Checking In On The Paris Accord
Countries are discussing carbon emissions in a new political (and changing) climate.
5:13
The Complex Calls Of City-Living Frogs
Living in the city means that male túngara frogs have more complex calls than their country cousins, but ‘more complex’ doesn’t necessarily mean better.
7:45
Why Are Raccoons So Good At Getting Into Your Garbage?
Does success in the urban jungle require dexterity or cleverness? Or both?
29:31
New Space Telescopes Race For A New View Of The Cosmos
The James Webb Space Telescope is a decade late and billions of dollars over budget. But astronomers are already setting their sights on its successors.
16:27
‘Dear Science Friday, Can You Study The Asp Caterpillar?’
Second grader Nina Del Bosque sent SciFri a letter with a question about stinging caterpillars. We introduce her to a biologist to answer her caterpillar curiosities.