What's link between the ocean's health and our health? Marine biologist Stephen Palumbi shows how toxins at the bottom of the ocean food chain find their way into our bodies -- and tells a shocking story of toxic contamination in the...

We've all heard the rumor that certain foods provides less calories than it takes to digest. Is this true? Check out this SciShow Quick Question to find out!

You may have seen posts online warning you about the dangers of eating burnt toast, but how much will that actually affect your health?

SciShow News delves into the history of marine animals and finds that they’re getting bigger, and unlocks the secret of how cannabis creates one of its most medically useful effects.

In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...

It's easy to imagine saving money next week, but how about right now? Generally, we want to spend it. Economist Shlomo Benartzi says this is one of the biggest obstacles to saving enough for retirement, and asks: How do we turn this...

More and more kids are avoiding peanut butter due to life threatening allergies, but we could make it so that no kid goes without a PBJ

Although plants are great carbon-removing tools, plant agriculture produces a significant carbon footprint. So, some researchers think we could turn to the oceans (specifically, seaweed) to help reverse some of the effects of climate...

Food can't stay fresh forever. From moldy bread to brown apples, here's the science behind what happens when food goes bad.

Explore food chains, food webs, energy pyramids, and the power of biodiversity in this ecology video by the Amoeba Sisters! This video also introduces general vocabulary for the unit of ecology.

Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our...

Mental health is super complicated. And many things, from your genetics to your environment, can affect it. But what you EAT might be having a big impact on your mental health, too.

Educating the poor is more than just a numbers game, says Shukla Bose. She tells the story of her groundbreaking Parikrma Humanity Foundation, which brings hope to India's slums by looking past the daunting statistics and focusing on...

In the insect world, there are few creatures as gentle and innocent as a butterfly. And yet, some butterflies have… an unexpected side to them.

Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu. With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's...

Can you feel the love tonight? Hopefully scientists can make this the case for the growing numbers of lions in animal sanctuaries.

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of...

Q&A #2 + Net Neutrality Nuance

Could we one day live on Mars? Reid Reimers explains Mars One could help colonize the red planet.

Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.

When a group of apes got split apart, slight differences in their new environments led to big differences in future generations.

There's a lot we don't know about how and when dogs were first domesticated. But we do know that the process made dogs very different from their wild cousins, in some unexpected ways.

So you went to a nice Italian restaurant for your dinner date and now your entire body reeks of garlic. What is this treachery?

If you put your tongue on a 9-volt battery it might taste sour, kind of like lemonade, but why does that shock have a flavor?