19 November 2013, 02:10 PM ET
Test your visual skills and knowledge base by looking at these odd images that may not be what they seem.
18 November 2013, 09:15 AM ET
The use of illegal drugs for medicinal reasons is a controversial topic, but researchers continue to find promising health benefits in drugs widely used for recreational purposes: LSD, cocaine, ketamine, marijuana, psilocybin mushrooms and ecstasy.
18 November 2013, 07:46 AM ET
The larger schnozzle helps men breathe in more oxygen to fuel their muscle-y bodies, say scientists who add the findings could shed light on mysteries of human evolution and why Neanderthals had such big noses.
14 November 2013, 01:24 PM ET
A new in-vitro meat cookbook has recipes for various artificial delicacies, including knitted steak and see-through sushi. Unfortunately, there's no way to make these treats just yet.
12 November 2013, 07:02 PM ET
A simultaneous hermaphrodite, the slug has both male and female reproductive organs that it uses simultaneously during sex. The male organ is a two-pronged penis equipped with spines.
12 November 2013, 03:40 PM ET
Calvin Klein's Obsession for Men is the fragrance of choice for field biologists. Beyond luring romantic partners, the masculine blend also attracts cats and other animals to remote cameras in the jungle.
12 November 2013, 08:21 AM ET
The findings suggest the brain relies on a complex interplay of information from different senses to produce the experience of being inside of a body — even when it's someone else's body.
11 November 2013, 02:44 PM ET
It's all about angle, guys. And while reducing splash-back in a urinal is feasible it could take a sharp shooter to do so in a conventional toilet, researchers say. Take-home: Sit.
08 November 2013, 11:49 AM ET
A man in Atlanta has been diagnosed with a severe case of saxophone lung. Though the name of the condition seems odd, it's quite appropriate, since saxophonists and other wind-instrument players are among those who contract the illness most often.
07 November 2013, 12:52 PM ET
There's no scientific backing for the notion that cheese gives you nightmares, though a Cheese industry group did try to disprove the idea in 2005
07 November 2013, 11:01 AM ET
The investigation, which finally homed in on a tiny killer, was hampered by the state of the elk: Scavengers ate most of the bodies, with maggots and blowflies helping to reduce the elk herd to an eerie scattered sea of skeletons in the desert.
06 November 2013, 03:39 PM ET
Katy Perry's latest album has been declared a potential biohazard by Australian authorities. The deluxe version of the album, named "Prism," may contains seed paper that fans are encouraged to plant to grow non-native flowers.
06 November 2013, 01:08 PM ET
In Shakespeare's "Macbeth," after Lady Macbeth helps to murder King Duncan, she laments that no matter how much she scrubs her hands, they will "ne'er be clean." Today, doctors are faced with a similar problem. Like Lady Macbeth, many patients feel unclea
06 November 2013, 10:01 AM ET
UK-based Lick Me I’m Delicious, has developed the first-ever ice cream with bioluminescence.
05 November 2013, 02:06 PM ET
A massive fireball roared through a Montreal neighborhood, sparking worldwide interest after a dramatic amateur video of the event went viral. But what exactly was it? An arc flash, caused by an arcing fault.
04 November 2013, 02:44 PM ET
A man who was stranded in the wilderness was defended from a bear attack by his dog. But a few days later, the man had to eat his beloved companion to survive.
04 November 2013, 01:31 PM ET
Scientists say they've found evidence that explains how the boy king died, and in the process made a shocking discovery of spontaneous combustion: After King Tut was sealed in his tomb, his mummified body caught fire and burned.
04 November 2013, 11:44 AM ET
About 700 people have visited a hospital in southern Albania since June complaining of various symptoms derived from cultivating and processing cannabis.
02 November 2013, 10:11 AM ET
Daylight saving time might save us money in energy consumption, but not without taking often overlooked tolls on our bodies.
01 November 2013, 07:59 AM ET
Scientists have successfully used lasers to make holes thinner than the width of a human hair in the heads of fruit flies, which lets them see and study what's happening in the flies' brains as the insects smelled different scents.
31 October 2013, 01:28 PM ET
Did a giant Kraken troll the Triassic seas, crushing ichthyosaurs and arranging their bones into pleasing patterns?
31 October 2013, 01:13 PM ET
A controversial theory involving an ancient giant squid or octopus preying on ichthyosaurs gets new life, as researchers claim they've found part of the beak of the Triassic monster.
31 October 2013, 10:54 AM ET
In this cool video, professor Abigail Marsh explains how multiple pathways can trigger a response to fear.
31 October 2013, 09:10 AM ET
Though Dracula may seem like a singular creation, Stoker in fact drew inspiration from a real-life man with an equally disturbing taste for blood: Vlad III, Prince of Wallachia or — as he is better known — Vlad the Impaler (Vlad Tepes).
31 October 2013, 09:00 AM ET
A bizarre boomerang-headed amphibian became a meal for the fin-backed Dimetrodon during the Permian, a new fossil find reveals. This weird creature interaction highlights an ancient ecosystem unlike any today.
30 October 2013, 01:18 PM ET
Amid the make-believe witches, ghouls and goblins, there are supposedly real-life villains who lay in wait all year, scheming about the evil and mayhem they will wreak on Oct. 31. But are these threats real?
30 October 2013, 11:22 AM ET
The rotting flesh, the shuffling walk, the unintelligible groans — it's not hard to spot a zombie at a glance even among the most gruesome of Halloween monsters. But what's going on inside their brain?
29 October 2013, 03:14 PM ET
Some researchers claim that there is scientific evidence linking Halloween spooks to rare but real medical conditions. Here's an explanation of how medical researchers may have discovered the scientific roots that underlie so-called monsters.
29 October 2013, 12:32 PM ET
The brain may be an even more powerful computer than before thought — microscopic branches of brain cells that were once thought to basically serve as mere wiring may actually behave as minicomputers, researchers say.
27 October 2013, 09:38 AM ET
Time travel is still a mystery, but it's probably safe to say these seven sci-fi stories totally missed the mark.
25 October 2013, 05:58 PM ET
Sex may, in some cases, provide a decent workout. New research finds that sex burns enough calories to count as moderate exercise, a fact which might motivate people to get a little busier.
25 October 2013, 09:25 AM ET
The shape of the face is largely determined by genetics, yet no two faces are entirely alike. How do genes produce faces with subtle differences, while avoiding dramatic disruptions and facial malformation such as cleft lip and palate?