9:10
Scientists Test What the Nose Knows
A new study claims the human nose can distinguish one trillion unique smells.
12:16
Three Years After the Fukushima Nuclear Meltdown
Three out of the six reactors at the Fukushima Daichii nuclear power plant suffered a meltdown.
25:10
As the Web Turns 25, Where Is It Going Next?
We celebrate the web’s 25th birthday with an archival clip of Tim Berners-Lee, the web’s inventor, and take a look ahead with Lee Rainie of the Pew Research Center.
9:05
EncROACHment: New York’s Invasive Cockroaches
Rutgers University entomologists unravel clues to identify a new invasive roach species in New York City.
10:01
Could a Blood Test Help Diagnose Alzheimer’s?
In a preliminary study, researchers identified 10 lipids in the blood that correlated with an increased risk for Alzheimer’s.
25:50
Celebrating Irrational, Transcendental Pi
As we celebrate Pi Day, mathematician Steven Strogatz talks about how the ancients calculated pi—and how you can do it at home.
10:33
SciFri’s Winter Nature Photo Contest Winner…Revealed!
Winter Nature Photo Contest judge John Weller discusses your top shots.
Battling HIV, Using A Body’s Own Immune Cells
Researchers are exploring a new approach to fighting HIV infection by genetically modifying a person’s own immune cells to be resistant to the virus.
17:37
Delving Into the Security of an Internet of Things
As more devices come online, is enough attention being given to security and privacy?
16:38
Where Do Sea Turtles Go During Their ‘Lost Years’?
Biologists crack the case of sea turtles’ ‘lost years’ with a little help from a nail salon technician.