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The ocean is evolving, and it’s not based on the ‘survival of the fittest’

AdultsEnvironmentEvolutionOcean
Astrobiologist Betül Kaçar explains that life survives by working together, not just by competing. To elaborate, she uses an example about microbes in the Black Sea that help other organisms by sharing energy.

Another Ancestor Paradox

AdultsEvolutionGeneticsHistory
There is a point in human history where everyone alive at the time fits into one of two categories: Either they are the ancestor of nobody alive today, or they are an ancestor of everyone alive today because of how genealogy and genetic lineages work – and it is much more recent than you think.

34 Years Of Strandbeest Evolution

AdultsArtDesignEngineeringEvolution
The surprising genius of Strandbeests.

Why Do Butterflies Bother Being Caterpillars?

AdultsAnimalsLifeNatureEvolutionBiology
It seems wild that some animals basically trade in their bodies for new ones during their lifetime, but it's actually really common – and it makes a lot of sense.

We Only Discovered This 10 Years Ago

AdultsEducationHistoryBiologyEvolutionScience
Most living things on Earth need oxygen to survive, but scientists discovered a species of bacteria that uses oxygen totally differently from every other organism on Earth.

The Species That Broke Evolution?

AdultsHealthHistoryScienceBiologyEvolution
The ancestors of gars, horseshoe crabs and coelacanths looked almost the same as their modern relatives. Darwin called species like these “living fossils'' because they seem like they are evolutionarily frozen in time. But Darwin was wrong.

How Did Humans Evolve? Crash Course Biology #19

AdultsHealthHumanScienceBiologyEvolution
What’s a human? And how did we become humans, anyway?

How Did Life Begin? (Evolutionary History): Crash Course Biology #16

AdultsEducationScienceSelfBiologyEvolution
Humans may have been around for a long time, but life has existed for way longer. In this episode of Crash Course Biology, we’ll journey through deep time to uncover the history of life on Earth.

Ancient Life as Old as the Universe

AdultsEducationNatureScienceEvolutionHistory
Life has existed on one planet for about 4 billion years, for all we know. But it might have started right after the Big Bang, when the universe was much stranger and more fantastic than today.

The Best Dragon

AdultsAnimalsMediaScienceBiologyEvolution
We ranked dragons based on how biologically and evolutionarily plausible they are.