A cognitive scientist employs malevolent logic to define the dark side of the human psyche
Researchers set up "haunted" room to prove an electromagnetic theory of ghost sightings
Scientists scan the brain in an attempt to explain the hows and whys of being afraid--very afraid
On a Wing and Low Air: The Surprising Way Wind Turbines Kill Bats
It is the pressure change--not the blades--that wipe out thousands of bats annually at wind farms
Cemetery Science: The Geology of Mausoleums
For Halloween, we take a tour of Woodlawn Cemetery in the Bronx, N.Y., with geologist Sidney Horenstein and Woodlawn expert Susan Olsen, concentrating on the geology of the rock used in the memorials...
Chocolate: Treat or Trick?
There is an environmental price for our love of chocolate on Halloween, but it may not be what you think
Ghostbusters: Are military bases haunted?
Quest for the Giant Pumpkin
In this episode, journalist Susan Warren, author of the new book Backyard Giants, talks about the art and science involved in the Quixotic quest to grow the world's biggest pumpkins. Plus we'll test your knowledge of some recent science in the news...
Special Halloween Edition: The Vampires of New England
As recently as the 1890s, some New Englanders believed that their dead relatives were vampires, feeding on the living. And, in fact, the dead could look better when exhumed than they did while still alive...
Vampire Bat Saliva Compound Could Help Treat Strokes
Why is spider silk so strong?
Mummy DNA Reveals Birth of Ancient Scourge
Bat's Wing Strokes Unlike a Bird's
Fog and lasers reveal the wind beneath a bat's wings
Pay Attention to the Man Behind the Curtain: Sci Am's History of Debunking
In this episode, Scientific American editor-in-chief John Rennie talks about the magazine's history of involvement with efforts to debunk medical quakery and paranormal fakery, which included a fistfight between a Sci Am editor and Harry Houdini...
Mummy's Face Revealed with CT Scans
Pumpkins Pull Pollutants out of Contaminated Soil
New Blood Substitutes Promise Relief for Sagging Blood Banks
HemoBioTech says it has solved the toxicity issues that have plagued its predecessors
Going to Bat
Natural reservoir for emerging viruses may be bats
Scientists Uncover the Chemical Complexities of Mummification
How do scientists make artificial blood? How effective is it compared with the real thing?
How does the fluoride in toothpaste prevent cavities? Is there any kind of 'natural' fluoride protection, or is it only in artificial compounds?
New Light on Medicine
Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their light-induced toxicity may also help explain the origin of vampire tales
The Real Monsters on Halloween
A study shows that young children have a tough time knowing if monsters are real or pretend. Christie Nicholson reports.
Taking Wing: Uncovering the Evolutionary Origins of Bats
At last, fossil and genetic findings elucidate the evolution of bats--and settle a long-standing debate over the origins of flight and echolocation
Spooky Science: Does a Fear of Ghosts Help Keep Us Honest?
Does the fear of "someone watching" help put us on the straight and narrow path?
Never Say Die: Why We Can't Imagine Death
Why so many of us think our minds continue on after we die