65 Views · 2 years ago
At this very second, you are on a narrow ledge between life and death. You probably don’t feel it, but there is an incredible amount of activity going on inside you. And this activity can never stop.
Somewhat unsettlingly, the universe wants you to reach the top. How do you avoid that and why are you alive?
44 Views · 2 years ago
Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it!
38 Views · 2 years ago
Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it be safer not to vaccinate?
49 Views · 2 years ago
In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains of a new species of ancient humans. Paleoanthropologist Juliet Brophy takes us inside the discovery of Homo naledi, explaining how this mysterious ancestor is forcing us to rethink where we come from -- and what it means to be human.
52 Views · 2 years ago
We’re given very little guidance on how to choose our partners and tend to leave it to that mysterious force we know as ‘instinct’. However, it truly pays to be a little more rational in this area and work out how our instincts operate and why they push us towards some people and away from others
42 Views · 2 years ago
Did humans evolve from monkeys or from fish? In this enlightening talk, ichthyologist and TED Fellow Prosanta Chakrabarty dispel some hardwired myths about evolution, encouraging us to remember that we're a small part of a complex, four-billion-year process — and not the end of the line. "We're not the goal of evolution," Chakrabarty says. "Think of us all as young leaves on this ancient and gigantic tree of life — connected by invisible branches not just to each other, but to our extinct relatives and our evolutionary ancestors."
56 Views · 2 years ago
How do you get what you want, using just your words? Aristotle set out to answer exactly that question over two thousand years ago with a treatise on rhetoric. Camille A. Langston describes the fundamentals of deliberative rhetoric and shares some tips for appealing to an audience's ethos, logos, and pathos in your next speech. [Directed by Hector Herrera, narrated by Addison Anderson].
101 Views · 2 years ago
For as long as we've had language, some people have tried to control it. And some of the most frequent targets of this communication regulation are the ums, ers, and likes that pepper our conversations. These linguistic fillers occur roughly 2 to 3 times per minute in natural speech. So are ums and uhs just a habit we can't break? Or is there more to them? Lorenzo García-Amaya investigates.
12 Views · 2 years ago
The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches the signal? And about 98% of the time, the brain chooses the correct word. How is this possible? Gareth Gaskell digs into the complexities of speech comprehension.