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The Science of Marathon Running

AdultsScienceSportsHealth
So maybe we can't outrun cheetahs or antelope, but humans are uniquely adapted for long distance running. What does science have to say about marathon running? To find out, (and because I was feeling a little crazy) I decided to run one!

These glasses help colorblind people see colors.

AdultsDisabilityGadgetsTechnology...
"I'm now swimming in a sea of color": This colorblind designer is seeing a whole new world around him thanks to these innovative glasses.

Here's what happens to your knuckles when you crack them

AdultsHealthHumanScience
One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what he found out.

What Happens When A Fly Lands On Your Food?

AdultsAnimalsHealthScience...
Have you ever wondered what a fly is doing when it lands on your food? Laci did some research to figure out just what happens.

Science Finally Says We Should Never Work 40 Hours A Week

AdultsMental HealthWorkHealth
Researchers have found that working long hours could be putting your mental and physical health at serious risk.

5 Disgusting Facts about McDonald's

AdultsFoodHealthMarketing...
There have been plenty of scandals and questionable practices in the house that Big Mac built, we're gonna keep things simple, by focusing on the food, the marketing behind it, and its impact on the way we eat.

The Immune System Explained I - Bacteria Infection

AdultsBiologyHealthHuman...
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival.

How do animals experience pain?

AdultsAnimalsBiologyHealth
Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species?

Hydrogel: The Future Of The 'Smart Band-Aid'

AdultsScienceTechnologyHealth...
Engineers at MIT have found a way to prevent hydrogels from dehydrating.

Is Hand Sanitizer Actually Bad For You?

AdultsBiologyHealthScience
Should you stop using hand sanitizer?

How to master your sense of smell

AdultsBiologyHumanScience...
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

Forget Oxygen-This Leaf Produces Medicine

AdultsHealthNatureTechnology...
This artificial leaf creates medicines using sunlight.

Do we really need pesticides?

AdultsGlobal WarmingTechnologyNature...
Annually, we shower over 5 billion pounds of pesticides across the Earth to control insects, unwanted weeds, funguses, rodents, and bacteria that may threaten our food supply. But is it worth it, knowing what we do about the associated environmental and public health risks?

Why do we feel nostalgia?

AdultsHealthHistoryPsychology
Nostalgia was once considered an illness confined to specific groups of people. Today, people all over the world report experiencing and enjoying nostalgia. But how does nostalgia work? And is it healthy? Clay Routledge details the way our understanding of nostalgia has changed since the term was first coined in the late 17th century.

Are preservatives bad for you?

AdultsFoodHealthScience
Food doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store, hopefully unspoiled, thanks to preservatives.

Which Diets Actually Work?

AdultsFoodHealth
Debunking some common diets, and seeing which work!

Muscle-Mimicking Robots Could Change Physical Therapy

AdultsBiotechnologyHealthTechnology
They are flexible and reconfigurable, and behave like actual human muscles.

Is Organic Food Worse For You?

AdultsFoodHealth
Should you be eating organic food?

Could we survive prolonged space travel? - Lisa Nip

AdultsHealthHumanSpace...
Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutations.

Benedict Cumberbatch Does a Magic Trick | Vanity Fair

AdultsCreativityHealthHumor...
Water can be cool, but Benedict Cumberbatch makes it cooler.

How To Eradicate One Of Our Deadliest Enemies

AdultsHealthScienceBiotechnology
We have the choice to attack one of our oldest enemies with genetic engineering. But should we do it?