TED Talks
TED: The science of cells that never get old | elizabeth Blackburn
What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that...
TED Talks
Suchitra Krishnan-Sarin: What you should know about vaping and e-cigarettes
E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and young adults -- from 2011 to 2015, e-cigarette use among high school students in the US increased by 900 percent. Biobehavioral scientist...
TED-Ed
TED-Ed: The benefits of good posture - Murat Dalkilinc
Has anyone ever told you, "Stand up straight!" or scolded you for slouching at a family dinner? Comments like that might be annoying"but they're not wrong. Your posture is the foundation for every movement your body makes and can...
TED Talks
TED: The ethical dilemma of designer babies | Paul Knoepfler
Creating genetically modified people is no longer a science fiction fantasy; it's a likely future scenario. Biologist Paul Knoepfler estimates that within fifteen years, scientists could use the gene editing technology CRISPR to make...
TED-Ed
TED-Ed: What is bipolar disorder? - Helen M. Farrell
The word bipolar means 'two extremes.' For the many millions experiencing bipolar disorder around the world, life is split between two different realities: elation and depression. So what causes this disorder? And can it be treated?...
TED-Ed
TED-ED: What happens when you have a concussion? - Clifford Robbins
Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...
TED-Ed
TED-ED: The rise and fall of the Assyrian Empire - Marian H. Feldman
Before the sun never set on the British Empire; before Genghis Khan swept the steppe; before Rome extended its influence to encircle the Mediterranean Sea; there was ancient Assyria. Considered by historians to be the first true empire,...
PBS
After 8 years, Hawaii sees decline in homelessness rate (WEEKEND)
Hawaii leads the nation in its rate of homelessness, which affects about 505 out of every 100,000 people there and is a major toll on its health care system. But just last month, the state announced a slight decrease in this ratio for...
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
TED-Ed
TED-Ed: What causes insomnia? - Dan Kwartler
What keeps you up at night? Pondering deep questions? Excitement about a big trip? Stress about unfinished work? What if the very thing keeping you awake was stress about losing sleep? This seemingly unsolvable loop is at the heart of...
TED Talks
Ellen Gustafson: Obesity + hunger = 1 global food issue
Co-creator of the philanthropic FEED bags, Ellen Gustafson says hunger and obesity are two sides of the same coin. In her talk, she launches The 30 Project -- a way to change how we farm and eat in the next 30 years, and solve the global...
TED-Ed
TED-Ed: How we conquered the deadly smallpox virus - Simona Zompi
For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a third of its victims within two weeks and left survivors horribly scarred. But Simona Zompi commends the brave souls - a Buddhist nun, a boy, a...
TED-Ed
TED-Ed: What happens when you get heat stroke? - Douglas J. Casa
Have you ever suffered from exertional heat stroke? This condition is caused by intense activity in the heat and is one of the top three killers of athletes and soldiers in training. Douglas J. Casa explains heat stroke's tremendous...
TED-Ed
TED-ED: What causes body odor? - Mel Rosenberg
Most of us don't need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor. But it's a surprisingly complex phenomenon, influenced by our genetic makeup, age, diet, and hygiene. So what is...
TED-Ed
TED-Ed: What would happen if you didn't drink water? - Mia Nacamulli
Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the...
SciShow
The Health Benefits of ... Cannibalism
Cannibalism may actually make a community healthier, but maybe don't try it at home.
TED-Ed
TED-Ed: Sajan Saini: How light technology is changing medicine
It's an increasingly common sight in hospitals around the world: a nurse measures our height, weight, blood pressure, and attaches a glowing plastic clip to our finger. Suddenly, a digital screen reads out the oxygen level in our...
TED Talks
Seyi Oyesola: A hospital tour in Nigeria
Dr. Seyi Oyesola takes a searing look at health care in underdeveloped countries. His photo tour of a Nigerian teaching hospital -- all low-tech hacks and donated supplies -- drives home the challenge of doing basic health care there.
TED Talks
Nathan Wolfe: The jungle search for viruses
Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge -- passing from animals to humans among poor subsistence hunters in Africa -- before they claim...
TED-Ed
TED-Ed: What yoga does to your body and brain | Krishna Sudhir
There are many different approaches to modern yoga— though most forms have three core elements: physical postures, breathing exercises, and spiritual contemplation.This blend of physical and mental exercise is widely believed to have a...
TED-Ed
TED-ED: How playing sports benefits your body ... and your brain - Leah Lagos and Jaspal Ricky Singh
The victory of the underdog. The last minute penalty shot that wins the tournament. The training montage. Many people love to glorify victory on the field, cheer for teams, and play sports. But should we be obsessed with sports? Are...
Bozeman Science
Human Population Impacts
In this video Paul Andersen talks about the impacts of human growth on the environment and on themselves. The population, affluence, and destructive technology of a population impact the environment according to the IPAT equation. An...
TED Talks
TED: What makes a good life? Lessons from the longest study on happiness | Robert Waldinger
What keeps us happy and healthy as we go through life? If you think it's fame and money, you're not alone - but, according to psychiatrist Robert Waldinger, you're mistaken. As the director of a 75-year-old study on adult development,...
TED Talks
Jamie Oliver: Teach every child about food
Sharing powerful stories from his anti-obesity project in Huntington, West Virginia -- and a shocking image of the sugar we eat -- TED Prize winner Jamie Oliver makes the case for an all-out assault on our ignorance of food.