6:34
A Newly Discovered Virus That Lives in Our Gut
Researchers discovered a virus that lives in the gut of half of the world’s population.
17:25
HIV/AIDS Update
A round-up of the latest HIV/AIDS research news and an update from the International AIDS Conference in Melbourne, Australia.
7:39
Pacemaker Researchers Swap Batteries for Biology
With gene therapy, scientists reprogram pig heart cells to improve heartbeat.
12:04
Could Inducing Hypothermia Help Revive Trauma Patients?
In a procedure called “Emergency Preservation and Resuscitation,” doctors would replace the blood of patients with cold saline to help buy valuable operating time.
10:58
What’s So Bad About Being Alone With Your Thoughts?
A study finds that many people would rather shock themselves than be alone with their thoughts.
23:02
The Surprisingly Predictable Patterns of Random Choice
In his new book, “Rock Breaks Scissors,” author William Poundstone decodes the patterns in big data, sports, and human behaviors.
12:03
Shedding Light on the Science of Sunscreen
How does sunscreen protect our skin from harmful radiation, and what is the meaning behind SPFs?
12:21
3-D Mammography Detects More Cancers, But Will It Save Lives?
A new study suggests that 3-D mammography detects more cancers than traditional digital mammography. But the technology is expensive, and there’s no indication yet that it catches more dangerous cancers, or is saving more lives.
3:05
Arnold Relman, Health System Critic, Dead at 91
Relman called the American health care system a “new medical-industrial complex.” We remember him here with two archival clips.
Teaching Ancient Nautilus New Tricks
A series of experiments involving fish juice, blue lights, and mazes dispels the notion that the ancient Nautilus is incapable of basic learning and memory.