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What causes kidney stones? - Arash Shadman View full lesson: http://ed.ted.com/lessons/what-causes-kidney-stones-arash-shadmanThe biggest kidney stone on record weighed more than a kilogram and was 17...
Why do blood types matter? - Natalie S. Hodge
Urinary/Kidney Stones - Overview (signs and symptoms, risk factors, pathophysiology, treatment)
How to Dissolve Kidney Stones (Part 1)
Why it’s so hard to cure HIV/AIDS - Janet Iwasa
What happens during a heart attack? - Krishna Sudhir
Did ancient Troy really exist? - Einav Zamir Dembin
The amazing ways plants defend themselves - Valentin Hammoudi
How does caffeine keep us awake? - Hanan Qasim
Is it bad to hold your pee? - Heba Shaheed
How to gain control of your free time | Laura Vanderkam
Why don't perpetual motion machines ever work? - Netta Schramm
What is bipolar disorder? - Helen M. Farrell
What does the liver do? - Emma Bryce
What causes cavities? - Mel Rosenberg
How X-rays see through your skin - Ge Wang
How does asthma work? - Christopher E. Gaw
Why is it so hard to cure cancer? - Kyuson Yun
How we conquered the deadly smallpox virus - Simona Zompi
What would happen if you didn’t drink water? - Mia Nacamulli
Why do we harvest horseshoe crab blood? - Elizabeth Cox
What happens when you have a concussion? - Clifford Robbins
How does cancer spread through the body? - Ivan Seah Yu Jun
Why do some people go bald? - Sarthak Sinha
How to Pass Kidney Stones Quickly With This Natural Remedies
How does money laundering work? - Delena D. Spann
Why isn't the world covered in poop? - Eleanor Slade and Paul Manning
What we know (and don't know) about Ebola - Alex Gendler
The surprising reason you feel awful when you're sick - Marco A. Sotomayor
Who's at risk for colon cancer? - Amit H. Sachdev and Frank G. Gress
How blood pressure works - Wilfred Manzano
What causes constipation? - Heba Shaheed
How does your body process medicine? - Céline Valéry
Why do you need to get a flu shot every year? - Melvin Sanicas
What happens when your DNA is damaged? - Monica Menesini
How do vitamins work? - Ginnie Trinh Nguyen