Posts tagged with "ted"

TED-Ed · Tue Jul 02 2024

What happens in your body during a miscarriage? - Nassim Assefi and Emily M. Godfrey

Explore what happens in the body during miscarriage, and learn about three common treatment options for pregnancy loss. -- Globally, around 23 million pregnancies end in miscarriage each year. Despite how common it is, miscarriage can still feel isolating, and for some, emotionally traumatizing. And myths about miscarriage add to the stigma, leading many to blame themselves for the loss. So what happens in the body during miscarriage? Nassim Assefi & Emily M. Godfrey take a closer look at pregnancy loss and treatment. Lesson by Nassim Assefi and Emily M. Godfrey, directed by Lené van Heerden, We Are Batch TV.

TED-Ed · Thu Sep 21 2023

Why were scientists so obsessed with these frogs? - Carly Anne York

Dig into how African clawed frogs can help detect human pregnancy, and how their use in experiments had unintended consequences. -- In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these handy creatures, employing their help in testing for pregnancy and in numerous other scientific endeavors. So what makes these frogs so special? Carly Anne York shares the secrets of these remarkable amphibians. Lesson by Carly Anne York, directed by Yajun Shi.

TED-Ed · Thu Jul 14 2022

What causes yeast infections, and how do you get rid of them? - Liesbeth Demuyser

Explore the common causes and treatments of yeast infections, which affect 3 out of every 4 people with a vagina. -- The vagina harbors hundreds of different kinds of microorganisms. Candida yeasts are usually present in small quantities and most of the time, these fungi are harmless. But, under certain conditions, Candida yeasts can cause infections. One species in particular is the usual culprit of vaginal yeast infections. So, how exactly does a yeast infection happen? Liesbeth Demuyser investigates. Lesson by Liesbeth Demuyser, directed by Mette Ilene Holmriis, The Animation Workshop.

TED-Ed · Thu Oct 01 2020

The surprising effects of pregnancy

Discover how pregnancy changes every organ in the body— from the heart, to the brain and kidneys— and what we still don’t know about it. -- Muscles and joints shift and jostle. The heart’s pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as soon as a pregnancy begins. Explore what we know— and don’t know— about pregnancy's effects on the body and brain. Lesson by TED-Ed, directed by Roxane Campoy and Charlotte Cambon.

TED-Ed · Tue Jul 09 2019

The most common STI in the world - Emma Bryce

Get informed on the causes and risks of human papillomavirus, HPV, and how to protect yourself from the infection. -- At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types of HPV, and most of the time the body eliminates infections without symptoms— but some strains can pose serious health risks down the line. How can you protect yourself from HPV? Emma Bryce explains how the virus causes harm, who’s at risk and how to minimize those risks. Lesson by Emma Bryce, directed by Sharon Colman.

TED-Ed · Thu Jul 26 2018

How can you change someone's mind? (hint: facts aren't always enough) - Hugo Mercier

Why do arguments change people’s minds in some cases and backfire in others? Hugo Mercier explains how arguments are more convincing when they rest on a good knowledge of the audience, taking into account what the audience believes, who they trust, and what they value.

TED-Ed · Thu Jun 21 2018

How do your hormones work? - Emma Bryce

Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart, exerting its influence over each and every one of your cells. Lesson by Emma Bryce, animation by Daniel Gray.

TED · Wed May 02 2018

How language shapes the way we think | Lera Boroditsky | TED

There are about 7,000 languages spoken around the world -- and they all have different sounds, vocabularies and structures. But do they shape the way we think? Cognitive scientist Lera Boroditsky shares examples of language -- from an Aboriginal community in Australia that uses cardinal directions instead of left and right to the multiple words for blue in Russian -- that suggest the answer is a resounding yes. "The beauty of linguistic diversity is that it reveals to us just how ingenious and how flexible the human mind is," Boroditsky says. "Human minds have invented not one cognitive universe, but 7,000."

TED-Ed · Mon Sep 19 2016

How do contraceptives work? - NWHunter

Contraceptives are designed to prevent pregnancy in three basic ways: they either block sperm, disable sperm before they reach the uterus, or suppress ovulation. But is one strategy better than the other? And how does each one work? NWHunter describes the mechanics behind different kinds of contraceptives. Lesson by NWHunter, animation by Draško Ivezić.

TED-Ed · Tue Apr 12 2016

Does grammar matter? - Andreea S. Calude

It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us when we’re writing. When is it right to say “the dog and me” and when should it be “the dog and I”? Does it even matter? Andreea S. Calude dives into the age-old argument between linguistic prescriptivists and descriptivists — who have two very different opinions on the matter.

TED-Ed · Mon Oct 26 2015

How computers translate human language - Ioannis Papachimonas

Is a universal translator possible in real life? We already have many programs that claim to be able to take a word, sentence, or entire book in one language and translate it into almost any other. The reality, however, is a bit more complicated. Ioannis Papachimonas shows how these machine translators work, and explains why they often get a bit mixed up.

TED-Ed · Mon Oct 19 2015

Why do women have periods?

A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We’re one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it’s a waste of nutrients, and can be a physical inconvenience. So where’s the sense in this uncommon biological process? TED-Ed describes the history and evolution of menstruation. Lesson by TED-Ed, animation by TED-Ed.

TED-Ed · Mon Aug 17 2015

Buffalo buffalo buffalo: One-word sentences and how they work - Emma Bryce

‘Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo’ is a grammatically correct sentence. How? Emma Bryce explains how this and other one-word sentences illustrate some lexical ambiguities that can turn ordinary words and sentences into mazes that mess with our minds.

TED-Ed · Tue Jul 07 2015

How do pregnancy tests work? - Tien Nguyen

Dig into the science of how modern over-the-counter pregnancy tests detect pregnancy with such a high rate of accuracy. -- Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes from start to finish in the time that it’ll take you to watch this video. Lesson by Tien Nguyen, animation by Andrew Foerster.

TED-Ed · Thu May 07 2015

How in vitro fertilization (IVF) works - Nassim Assefi and Brian A. Levine

Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a baby in a lab. Lesson by Nassim Assefi and Brian A. Levine, animation by Kozmonot Animation Studio.

TED-Ed · Mon Mar 16 2015

Why it’s so hard to cure HIV/AIDS - Janet Iwasa

In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don’t yet understand exactly how he was cured. But if we can cure people of various diseases, like malaria and hepatitis C, why can’t we cure HIV? Janet Iwasa examines the specific traits of the HIV virus that make it so difficult to cure. Lesson by Janet Iwasa, animation by Javier Saldeña.

TED · Mon Dec 22 2014

Erin McKean: Go ahead, make up new words!

In this fun, short talk from TEDYouth, lexicographer Erin McKean encourages — nay, cheerleads — her audience to create new words when the existing ones won’t quite do. She lists out 6 ways to make new words in English, from compounding to “verbing,” in order to make language better at expressing what we mean, and to create more ways for us to understand one another.

TED-Ed · Tue May 27 2014

How languages evolve - Alex Gendler

Over the course of human history, thousands of languages have developed from what was once a much smaller number. How did we end up with so many? And how do we keep track of them all? Alex Gendler explains how linguists group languages into language families, demonstrating how these linguistic trees give us crucial insights into the past.

TED-Ed · Thu Sep 26 2013

Are Elvish, Klingon, Dothraki and Na'vi real languages? - John McWhorter

What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's Elvish have in common? They are all fantasy constructed languages, or conlangs. Conlangs have all the delicious complexities of real languages: a high volume of words, grammar rules, and room for messiness and evolution. John McWhorter explains why these invented languages captivate fans long past the rolling credits.

TED-Ed · Tue Sep 24 2013

Birth of a nickname - John McWhorter

Where do nicknames come from? Why are Ellens called Nellie and Edwards Ned? It's all a big misunderstanding from the early days of the English language, a misunderstanding that even the word nickname itself derives from. John McWhorter tracks the accidental evolution of some familiar diminutives.

TED-Ed · Mon Jul 22 2013

A brief history of plural word...s - John McWhorter

All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter looks back to the good old days when English was newly split from German -- and books, names and eggs were beek, namen and eggru!

TED-Ed · Tue Nov 27 2012

How did English evolve? - Kate Gardoqui

What is the difference between "a hearty welcome" and "a cordial reception"? In a brief, action-packed history of the English language, Kate Gardoqui explains why these semantically equal phrases evoke such different images.