SciShow
Why Sex?
Hank gets into why sex is the preferred method of reproduction for most species - and it's not for the reasons you're thinking.
TED Talks
TED: The global movement to restore nature's biodiversity | Thomas Crowther
Biodiversity is the key to life on Earth and reviving our damaged planet, says ecologist Thomas Crowther. Sharing the inside story of his headline-making research on reforestation, which led to the UN's viral Trillion Trees Campaign,...
SciShow
The Mystery of the Biggest Genomes
3 billion base pairs is a pretty typical genome size for organisms like us, but there are a few plants and animals with genomes so huge they completely blow this number out of the water.
MinuteEarth
This Is Not A Bee
It can be hard to distinguish bees from all the other insects out there that look like bees. ___________________________________________ If you want to learn more about this topic, start your googling here: Mullerian mimicry: a type of...
SciShow
8 Boss Invertebrates That Eat Whatever They Want
Even if you’re tiny, you can still be fierce. Here are 8 little invertebrates who punch above their weight class at dinner time. CHAPTERS View all DRAGONFLIES 0:46 REGAL JUMPING SPIDER 1:43 EPOMIS BEETLES 2:49 PRAYING MANTIS 4:34 BOBBIT...
SciShow
What If We Killed All the Wasps?
Unlike their friendly, flower-pollinating cousin, the bee, wasps are best known for stinging people, ruining picnics, and generally being jerks... so should we just totally get rid of them?
SciShow
6 Microbes Saving the Environment
Ever since humans found out about germs, we’ve gone a bit overboard inventing antibacterial soap and antibiotics and antifungals. But despite our aversion to them, microbes aren’t all bad, and some of them could even help us save the...
SciShow
The World's First Malaria Vaccine Gets a Shot in Africa | SciShow News
Last week, the World Health Organization announced that a malaria vaccine has finally made it through all the regulatory hurdles and is being distributed in the country of Malawi. Learn how it works and why it’s taken so long to develop...
SciShow
6 Remarkable Ways Animals Catch Their Food
Claws and teeth are one way to catch a meal, but here are six animals that have evolved some pretty unique hunting techniques. Chapters FROGFISH 0:51 BOLAS SPIDERS 2:16 3 HUMPBACK WHALES 4:22 PISTOL SHRIMP 5:19 8:14 HUMANS 8:39
SciShow
6 of the Biggest Single-Celled Organisms
When you picture a single cell, you probably imagine something super tiny that you had to look at through a microscope. But, there are some huge exceptions to this rule. And we really do mean huge. Chapters Stentor coeruleus 1:27 Gromia...
Bozeman Science
LS2C - Ecosystem Dynamics, Functioning and Resilience
In this video Paul Andersen explains how ecosystems respond to disruptions. Disruptions can cause changes in the number and variety of organisms. It can also lead to migration, extinction or even speciation. Ecosystems that have a higher...
SciShow
Bigger Beaks Through Climate Change | SciShow News
Today we're talking about birds — from how they are evolving in response to climate change and how one species is surprisingly healthy, genetically, despite being critically endangered.
TED-Ed
The sharks that hunt in forests | Luka Seamus Wright
Forests don't usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the world's sharks. Mangrove forests in particular function as an essential bridge between land and sea and have evolved various...
SciShow
Is Coffee Disappearing... or Will It Just Taste Different?
Many of us rely on a morning cup of coffee, or several morning cups of coffee, to get us going. But climate change has the potential to shift not only where and how we grow coffee, but whether it can be grown at all.
SciShow
Seahorse Pregnancies Could Help us Treat HIV
Many seahorse species have males with full-blown pregnancies. But in order to do this, their immune system is missing something kind of important.
SciShow
Condor Females Don’t Need a Male to Hatch Chicks
For the first time, researchers have observed two cases of asexual reproduction in condors. And it also turns out that whales are much hungrier than we thought.
TED-Ed
TED-ED: How squids outsmart their predators - Carly Anne York
There are about 500 species of squid, and they live in all the world's oceans, making them a reliable food source for whales, dolphins, sharks, seabirds, fish - and even other squid. As a result, the squid's most extraordinary...
TED-Ed
TED-ED: The weird and wonderful metamorphosis of the butterfly - Franziska Bauer
In order to become a butterfly, a caterpillar's body dissolves almost completely and is rebuilt from its own juices. Butterflies are just a few of the 800,000 insect species that transition from larvae to adults through complete...
Crash Course
Population Genetics: When Darwin Met Mendel - Crash Course Biology
Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation.
Crash Course
Fungi: Death Becomes Them - CrashCourse Biology
Death is what fungi are all about. By feasting on the deceased remains of almost all organisms on the planet, converting the organic matter back into soil from which new life will spring, they perform perhaps the most vital function in...
TED-Ed
TED-Ed: The sexual deception of orchids - Anne Gaskett
Check out the fascinating ways orchids trick insects into pollinating, using sexual deception, pheromones and mimicking the shapes of other plants. -- Nearly 28,000 species of orchid grow all around the world, bearing every imaginable...
SciShow
Gynandromorphs: Dual-Sex Animals
SciShow explores one of the more rare and unusual results of sexual reproduction: gynandromorphy, in which an animal is part male and part female.
SciShow
Extreme Animal Cannibalism
Evolution doesn't care about ethics - it cares about surviving and getting your alleles out there as much as possible. From that perspective, cannibalism can seem like a pretty good idea to some creatures. Hank introduces us to three...
SciShow
Why Are Cheetahs the Fastest Land Animal?
Cheetahs are fast. You know this. But which is faster: a cheetah, or a Tyrannosaurus rex?