TED-Ed
TED-Ed: How to make a baby (in a lab) - Nassim Assefi and Brian A. Levine
Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a...
SciShow
Obesity
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.
TED-Ed
TED-ED: How menstruation works - Emma Bryce
At this moment, three hundred million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives. But...
TED-Ed
TED-ED: How bones make blood - Melody Smith
Bones might seem rock-solid, but they’re actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with...
TED-Ed
TED-ED: Why do we sweat? - John Murnan
There are a number of scenarios that can make us sweat_including exercise, eating spicy foods, and nervousness. But how does this substance suddenly materialize, and what exactly is its purpose? John Murnan explores the science behind...
TED-Ed
TED-Ed: How does your body know you're full? - Hilary Coller
Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that's almost impossible to ignore. After you've reacted by...
TED-Ed
TED-ED: How your muscular system works - Emma Bryce
Each time you take a step, 200 muscles work in unison to lift your foot, propel it forward, and set it down. It's just one of the many thousands of tasks performed by the muscular system: this network of over 650 muscles covers the body...
TED-Ed
TED-ED: Can 100% renewable energy power the world? - Federico Rosei and Renzo Rosei
Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won't last forever. On the other hand, we have abundant sun, water and wind, which are all renewable energy...
SciShow
We Hadn't Sequenced the Human Genome...Until Now | SciShow News
Researchers have unlocked the final gaps in the human genome, and what they tell us could mean big waves for the future of medicine.
TED Talks
Elliot Krane: The mystery of chronic pain
We think of pain as a symptom, but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare, Elliot...
TED-Ed
TED-ED: Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt
Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words....
TED-Ed
TED-Ed: Why do our bodies age? - Monica Menesini
Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...
TED-Ed
TED-Ed: How do your hormones work? - Emma Bryce
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce...
TED-Ed
TED-Ed: How puberty changes your brain | Shannon Odell
While we often talk about puberty's effect on the body, what gets overlooked are the fascinating changes that happen in the brain. Puberty, in fact, begins in the brain, and lasts as long as five years. And during this extended process,...
TED-Ed
TED-Ed: How a wound heals itself - Sarthak Sinha
Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the...
TED Talks
TED: The brain-changing benefits of exercise | Wendy Suzuki
What's the most transformative thing that you can do for your brain today? exercise! says neuroscientist Wendy Suzuki. Get inspired to go to the gym as Suzuki discusses the science of how working out boosts your mood and memory -- and...
SciShow
Are Broken Bones Stronger After They Heal?
You might have heard that bones are stronger after they break, which sounds ridiculous, but for a short period of time, it might be true!
TED-Ed
TED-Ed: Will there be another pandemic in your lifetime? | TED-Ed
We tend to think of pandemics as unlikely events, but disease outbreaks are surprisingly common. Over the past 400 years, the longest stretch of time without a documented outbreak was just four years. So, what's the probability of...
TED-Ed
TED-Ed: Are food preservatives bad for you? - Eleanor Nelsen
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...
TED Talks
Hans Rosling: The good news of the decade? We're winning the war against child mortality
Hans Rosling reframes 10 years of UN data with his spectacular visuals, lighting up an astonishing -- and under-reported -- piece of front-page good news: We're winning the war against child death. Along the way, he debunks one flawed...
TED-Ed
TED-Ed: 3 tips to boost your confidence
When faced with a big challenge where potential failure seems to lurk at every corner, you’ve probably heard the advice, “Be more confident!” But where does confidence come from, and how can you get more of it? Here are three easy tips...
TED Talks
TED: How to stay calm when you know you'll be stressed | Daniel Levitin
You're not at your best when you're stressed. In fact, your brain has evolved over millennia to release cortisol in stressful situations, inhibiting rational, logical thinking but potentially helping you survive, say, being attacked by a...
TED-Ed
TED-Ed: How do carbohydrates impact your health? - Richard J. Wood
The things we eat and drink on a daily basis can impact our health in big ways. Too many carbohydrates, for instance, can lead to insulin resistance, which is a major contributor to cardiovascular disease and Type 2 Diabetes. But what...
SciShow
Genetically Engineered Cancer-Fighting Algae
Learn how scientists are fighting cancer... with algae!