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 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.
Neanderthals 101
YouthHistoryHumanScienceEvolution... Learn facts about Neanderthal man, the traits and tools of Homo neanderthalensis, and how the species fits into our evolution story.