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The Science Behind The FDA Ban On Food Dye Red No. 3
Episode 1207
On Wednesday, the Food and Drug Administration announced it is banning the dye called Red No. 3, a food dye additive in many processed foods, like so…
1 year, 8 months ago
All of life has a common ancestor. What was LUCA?
Episode 1206
Imagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an interse…
1 year, 9 months ago
Some Dinos Had Feathers. Did They Fly?
Episode 1205
When you picture a dinosaur, what does it look like? For Jingmai O'Connor, paleobiologist and associate curator of reptiles at the Field Museum of Ch…
1 year, 9 months ago
Bone Marrow Cells: Key To Vaccine Longevity?
Episode 1204
The COVID-19 mRNA vaccine generates enough of an antibody response to protect against severe disease for six months. But other vaccines offer years-l…
1 year, 9 months ago
The Science Behind Wildfire Smoke
Episode 1203
Air quality in the Los Angeles region has plummeted due to smoke from the ongoing wildfires. With all that smoke comes possible risks to human health…
1 year, 9 months ago
What Are California's Santa Ana Winds?
Episode 1202
Over 29,000 acres in the greater Los Angeles area are on fire right now. The fires emerged after the Santa Ana winds swept into the Los Angeles area …
1 year, 9 months ago
Fluoride: Fact vs. Fiction
Episode 1201
Fluoridating the public water supply has been common practice for nearly 80 years in the U.S. It's an acclaimed public health intervention that helps…
1 year, 9 months ago
How Two Veterans Developed The Same Rare Brain Condition
Episode 1200
Some weapons used by the U.S. military are so powerful they can pose a threat to the people who fire them. Today, we meet two Marines, William Wilcox…
1 year, 9 months ago
The Great Space (Clock) Race
Episode 1199
There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS location, Internet timing, st…
1 year, 9 months ago
Jimmy Carter's Triumph Over The Guinea Worm
Funeral services begin today for former President Jimmy Carter. He died Sunday, at 100-years-old. Carter brought attention to global health challen…
1 year, 9 months ago