Why do blood types matter? – Natalie S. Hodge
View full lesson: http://ed.ted.com/lessons/why-do-blood-types-matter-natalie-s-hodge It’s often said that despite humanity’s many c...
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Why do buildings fall in earthquakes? – Vicki V. May
View full lesson: http://ed.ted.com/lessons/why-do-buildings-fall-in-earthquakes-vicki-v-may Earthquakes have always been a terrifyi...
Why do cats act so weird? – Tony Buffington
Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-do-cats-act-so-weird-tony-...
Why do competitors open their stores next to one another? – Jac de Haan
View full lesson on ed.ted.com – http://ed.ted.com/lessons/why-do-competitors-open-their-stores-next-to-one-another-jac-de-haa...
Why do honeybees love hexagons? – Zack Patterson and Andy Peterson
View full lesson: http://ed.ted.com/lessons/why-do-honeybees-love-hexagons-zack-patterson-and-andy-peterson Honeybees are some of na...
Why do humans have a third eyelid? – Dorsa Amir
Discover how evolution and natural selection influence why the human body has vestigial organs— body parts that no longer serve thei...
Why do our bodies age? – Monica Menesini
View full lesson: http://ed.ted.com/lessons/why-do-our-bodies-age-monica-menesini Human bodies aren’t built for extreme aging: our c...
Why do people fear the wrong things? – Gerd Gigerenzer
How can we use statistics to evaluate risk? Dig into the difference between relative risk and absolute risk and how each is used in...
Why do people get so anxious about math? – Orly Rubinsten
View full lesson: http://ed.ted.com/lessons/why-do-people-get-so-anxious-about-math-orly-rubinsten Have you ever sat down to take a...
Why do people have seasonal allergies? – Eleanor Nelsen
View full lesson: http://ed.ted.com/lessons/why-do-some-people-have-seasonal-allergies-eleanor-nelsen Ah, spring. Grass growing, flo...