Hacking bacteria to fight disease – Tal Danino

From TED Ed. Explore how synthetic biologists are programming bacteria to fight cancer by manipulating their DNA. — In 1884, an unlucky patient who had a rapidly growing cancer in his neck came down with an unrelated bacterial skin infection. As he recovered from the infection, the cancer surprisingly began to recede. The infection had…

The Train Heist | Think Like A Coder, Ep 4

From TED Ed. The adventure continues! Episode 4: The trio plot how they can steal the first artifact— the Node of Power. Can they take it without being discovered? — This is episode 4 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as…

How does chemotherapy work? – Hyunsoo Joshua No

From TED Ed. Discover how chemotherapy drugs use cytotoxic agents to attack cancer cells and the impact they have on your body. — During World War I, scientists were trying to develop an antidote to the poisonous yellow cloud known as mustard gas. They discovered the gas was irrevocably damaging the bone marrow of affected…

Is marijuana bad for your brain? – Anees Bahji

From TED Ed. Explore how marijuana’s two main active compounds, THC and CBD, affect your brain and body, and what risk factors to watch out for. — In 1970, marijuana was classified as a schedule 1 drug in the United States: the strictest designation possible, meaning it was completely illegal and had no recognized medical…

Can you outsmart this logical fallacy? – Alex Gendler

From TED Ed. Explore the psychology of the cognitive bias known as the conjunction fallacy, where we assume specific conditions are more probable than general ones. — Meet Lucy. She was a math major in college, and aced all her courses in probability and statistics. Which do you think is more likely: that Lucy is…

History’s “worst” nun – Theresa A. Yugar

From TED Ed. Get to know the life of Mexican nun, poet and scholar, Sor Juana Inés de la Cruz, who was censored by the Church for her critical writings. — Juana Ramírez de Asbaje sat before a panel of prestigious theologians, jurists, and mathematicians. They had been invited to test Juana’s knowledge with the…

How does laser eye surgery work? – Dan Reinstein

From TED Ed. Explore the eye-opening science of LASIK: corrective laser eye surgery that focuses on reshaping the cornea to fix blurry vision. — In 1948, Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a solution for blurry vision that fixed the eye itself, without relying on external aids. The…

The Furnace Bots | Think Like A Coder, Ep 3

From TED Ed. The adventure continues! Episode 3: Ethic and Hedge must sabotage the furnace-bots to get to the first artifact. Can they find a way out? — This is episode 3 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt…

The dangers of mixing drugs – Céline Valéry

From TED Ed. Explore the science of why mixing drugs and drug interactions with other substances can lead to dangerous health complications. — Which of the following is risky behavior: a person taking cholesterol medicine with grapefruit juice? Or a person taking Acetaminophen before going out for drinks? Or a person on blood thinners who…

Why do humans have a third eyelid? – Dorsa Amir

From TED Ed. Discover how evolution and natural selection influence why the human body has vestigial organs— body parts that no longer serve their original purpose. — You know that little pink thing nestled in the corner of your eye? It’s actually the remnant of a third eyelid. In humans, it’s vestigial, meaning it no…