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.
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.
Why So Many Ladybugs Don't Look Like Ladybugs
AdultsAnimalsLifeNatureBiologyEvolution... Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.
You Are A Fish
AdultsAnimalsHumanNatureScienceEvolutionBiology... With our current understanding of evolutionary history and our strategy of cladistic naming, if we wanted to have both goldfish and sharks under a single group called "fish", then mammals must also be called fish.
How did teeth evolve? - Peter S. Ungar
AdultsBiologyHealthHumanScienceEvolution... You may take them for granted, but your teeth are a marvel. They break up all your food over the course of your life, while being strong enough to withstand breakage themselves. How do they do it?
Why Do You Love Your Family?
AdultsFamilyHumanSocietyEvolutionPsychology... Why do we love people we're related to? Compared to strangers, why do we feel such a deep sense of connection with our family members? Sure, they're nice to us, we take care of each other, and we often live with them, but there has to be a deeper biological reason. That reason, unsurprisingly is evolution. In this video, I explain why taking care of our family, or even dying for them, makes sense in the eyes of evolution.
5 useless human body parts left over from evolution
AdultsHistoryHumanBiologyEvolutionScience... Your body is walking proof of evolution, but some parts have grown unnecessary over time. Here are five useless body parts left over from evolution.
Why Do We Cook?
AdultsFoodScienceSocietyCultureEvolution... Why do humans cook? Holidays are celebrated in many ways, but chances are they involve eating, and eating a LOT. Ever wonder why we cook our food? We do it because it tastes good, of course, and because our customs and traditions are built around it. But we also cook our food for some basic biological reasons, because of evolution. Some scientists think that figuring out how to cook actually MADE us human! If conversation gets a little dry around your holiday table, now you'll have some awesome science to share with everyone!