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April 18, 2025
Are traffic engineering decisions based on evidence-based research? Not as much as you might think. Plus, researchers captured the first confirmed video of a colossal squid swimming in its natural habitat. And, with brain-implanted devices, people with paralysis have been able to command computers to “move” virtual objects and speak for them.
12:04
Human Embryo Gene Editing Gets Go-Ahead in U.K.
Scientists will not be using the method for any direct therapeutic purpose, but instead will investigate the genes that guide human development.
7:06
The Problems Plaguing Election Polls
Why couldn’t the polls predict the Iowa primaries?
26:44
Pioneering Cancer Doc Foresees ‘The Death of Cancer’
When President Nixon signed the National Cancer Act of 1971, he waged the War on Cancer. Forty-five years and over $100 billion later, are we winning?
11:51
Roots of Schizophrenia, Zebra Stripes, and Wind Chill
Scientists discover a clue into the root cause of schizophrenia. Plus, the highs and lows of the wind chill effect.
10:17
Depression Screening for Pregnant Women
Between 14-23 percent of women will experience symptoms of depression during pregnancy, according to the American Congress of Obstetricians and Gynecologists.
6:35
Eight Arms That Send a Message
One species of octopus uses changing coloration and shifting postures to send signals to other octopuses.
11:21
What Role Does Partisanship Play Outside of the Polls?
How much of a role does political bias play in daily life outside of the polls?
4:28
Something’s in the Air—It’s Your Microbial Cloud
Even sitting quietly in a room can generate a personalized cloud of microbes.
11:46
Americas Brace for Zika Spread
The typically-mild Zika virus is the top suspect in Brazil’s microcephaly epidemic. Where did it come from, and what can we expect as the outbreak unfolds?
17:22
For Planet-Seekers, a Cautionary Tale
The tale of the planet Vulcan’s “discovery”—and destruction at the hands of Einstein—may hold lessons for today’s planet-hunters.