How Fireflies Inspired Energy-Efficient Lights
Youth Biology
Electricity accounts for around 5% of greenhouse gas emissions. So how can we make it more efficient? Belgian physicist Jean-Pol Vigneron and his team found the answer could lie within a firefly's abdomen.
Photosynthesis & Transpiration
Youth Biology
What do plants need? Students examine the effects of light and air on green plants, learning the processes of photosynthesis and transpiration.
Crabs Trade Shells In The Strangest Ways
Youth Biology
As a hermit crab grows its shell becomes a tighter fit so eventually the crabs need to move into a bigger one, leading to an amazing exchange.
Why are cockroaches so hard to kill? - Ameya Gondhalekar
Adults Biology
Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.
Crash Course Anatomy & Physiology Preview
Adults Biology
We made flashcards to help you review the content in this series! Find them on the free Crash Course App!
Living And Nonliving Things
Kids Biology
Living things are called organisms, and anything from a blue whale to a spot of mold can be a living organism!
Which Diets Actually Work?
Adults Biology
Debunking some common diets, and seeing which work!
Symbiotic Fungi
Youth Biology
David Attenborough encounters a parasitic fungi that lives off the plants it inhabits.
Bottlenose Dolphins - Amazing Animals
Kids Biology
Dolphins are born tail-first!
The ingredient in almost everything you eat
Adults Biology
Dig into the science of soy, and discover what makes soybeans such versatile plants and whether it’s healthy for you and the planet.
An Egg Is Just One Cell
Adults Biology
One of Earth's biggest cells is one you're probably really familiar with.
These Seeds Can Walk!
Youth Biology
The seeds of these wild oats each have two bristles called awns. Once the seeds fall to the ground their awns help them do something truly extraordinary…they walk!
Beetle - Amazing Animals
Kids Biology
Beetles are the largest group of animals on Earth!
Is Soil Alive?
Adults Biology
Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.
The Venus Fly Trap’s Deadly Speed | Natural Born Killers | BBC Earth
Adults Biology
On wrong step and these insects are snapped up!
Why do cats have vertical pupils? - Emma Bryce
Adults Biology
Dive into the incredible diversity of animal pupils, and how the different shapes indicate the animal’s role in an ecosystem.
Sir David Attenborough Gives a Lesson on Seeds | The Green Planet | BC Earth
Adults Biology
Giant seeds, tiny seeds, floaty seeds and flying seeds. Sir David Attenborough gives us a quick biology lesson in all of them.
Baby Puss Moth Caterpillar Hatching
Youth Biology
Puss Moth Caterpillar (Cerura vinula) hatches from its egg.
What Happens To Your Body When You Stop Drinking Alcohol
Adults Biology
Drinking alcohol is one of the most popular things to do across the globe. Some people spend their entire weekends sitting at the bar, but consuming alcohol on a daily or weekly basis can have extremely negative effects on the body.
You Are Immune Against Every Disease
Adults Biology
You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells were human-sized, you would be as big as 20 Mount Everests.
The Snowflake Mystery
Adults Biology
Dr Ken Libbrecht is the world expert on snowflakes, designer of custom snowflakes, snowflake consultant for the movie Frozen - his photos appear on postage stamps all over the world.