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Happy Holidays! Ever wonder how Santa could possibly manage to deliver all those presents in a single night? Or what gives red-nosed reindeer the ability to fly? And why do your Christmas lights get tangled in knots no matter how carefully you put the away?!

Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser explains the visual phenomenon that is floaters.

Me and my friend walking on frozen mountain lake in High Tatras Mountains in Slovakia.

Off-grid solar panels are bringing electricity to Andean villages as part of a 15-year plan to provide Peru's vast countryside with electricity.

Ten years of research and 500 face-to-face-interviews led Richard St. John to a collection of eight common traits in successful leaders around the world.

I'm filming a documentary for TV about how Uranium and radioactivity have shaped the modern world. It will be broadcast in mid-2015, details to come. The filming took me to the most radioactive places on Earth (and some places, which surprisingly aren't as radioactive as you'd think). Chernobyl and Fukushima were incredible to see as they present post-apocalyptic landscapes. I also visited nuclear power plants, research reactors, Marie Curie's institute, Einstein's apartment, nuclear medicine areas of hospitals, uranium mines, nuclear bomb sites, and interviewed numerous experts.

Each year, Science chooses a singular scientific development as Breakthrough of the Year. This year, the Rosetta mission took the crown! Meet this year's Breakthrough and check out our nine amazing runners-up!

See how unique, custom 3D printed prosthetics allow Derby the dog to run for the first time.

"I'm inspired by the resilience of weeds. I look for them in the cracks of the sidewalks near the walls I'm about to paint, then I portray them at a scale that is certainly bigger than the attention we pay them...."

A Colorado man made history at the Johns Hopkins University Applied Physics Laboratory (APL) this summer when he became the first bilateral shoulder-level amputee to wear and simultaneously control two of the Laboratory's Modular Prosthetic Limbs.

When you take a bite of a hot pepper, your body reacts as if your mouth is on fire -- because that's essentially what you've told your brain! Rose Eveleth details the science and history behind spicy foods, giving insights into why some people continue to pay the painful price for a little spice.

As winter approaches, V-shaped flocks glide overhead as the world's birds begin their long treks to warmer climates. Humans used to have some pretty crazy theories about where birds went for winter, like the moon, or to the bottom of the ocean.

GE ??created a pop-up #EmojiScience ?lab in NYC , and has turned the Periodic Table of Elements into the ?Emoji Table of Experiments?.

Here's A Review Of The Moments Of 2014, But You Need To See The Twist

The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That's some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages (you'll see) that go into making tattoos stand the test of time.

The MythBusters test an old traffic myth that has affected us all. Does weaving in and out of lanes get one to their destination any quicker?

As a Canadian-Australian, I have always wondered why it is that Australia has so many venomous animals that can kill you while Canada has virtually none. But it's not just Australia - it seems like all beautiful, warm places are cursed with venomous native species. So I set out to find the truth: why have all these venomous species evolved in the world's best holiday destinations?

Ever crack your cell phone screen? How about your car windshield? Adam Savage and Jamie Hyneman explain why those days may soon be behind us. Watch as they conduct mind-bending demonstrations of strong, durable glass. This is the Glass Age, where materials science is constantly pushing boundaries and creating new possibilities for glass-enabled technology and design.

Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience" differs from person to person.

Sam Smith's debut album 'In The Lonely Hour' is out now!

December 5th around 3am I was pulled over. I told the cop I was coming from a Holiday Party in NYC. He asked why I had all the cards in my car and I told him I was a magician. He then asked me to show him a magic trick.