Bozeman Science
Population Variation
Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in...
SciShow
What Really Killed the Dinosaurs
What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million years ago.
Crash Course
The History of Life on Earth - Crash Course Ecology
With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and...
Be Smart
De-Extinction: A Mammoth Undertaking
De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel hands of time make it impossible?...
TED Talks
TED: The intended consequences of helping nature thrive | Ryan Phelan
From a special black-footed ferret to coral that can withstand warming waters, genetic rescue efforts that use genomics and synthetic biology are helping nature thrive. But despite the huge successes of this kind of intervention,...
PBS
When Birds Had Teeth
Experts are still arguing over whether Archaeopteryx was a true bird, or a paravian dinosaur, or some other kind of dino. But regardless of what side you're on, how did this fascinating, bird-like animal relate to today's birds? It turns...
Bozeman Science
Ecosystem Diversity
In this video Paul Andersen explains how biodiversity can be measured through genetic, species, or ecosystem variety on the planet. Species diversity is increased through speciation and decrease through extinction. The mechanism for...
PBS
The Age of Reptiles in Three Acts
Reptiles emerged from the Paleozoic as humble creatures, but in time, they grew to become some of the largest forms of life ever to stomp, swim, and soar across the planet. This Age of Reptiles was a spectacular prehistoric epic, and it...
Bizarre Beasts
What Really Happened to Lyall’s Wren?
New ReviewWelcome back to Bizarre Beasts: Season Zero, where we are remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers. This episode is all an extinct flightless bird from the New Zealand island of Takapourewa....
Curated Video
Species Change Overtime
New ReviewThis video describes various ways that species change over time such as variation, binary fission, adaption, mutation, envirvonmental changes, and extinction.
Curated Video
Precambrian to Paleozoic Era
New ReviewThis video examines life on Earth during the Precambrian and Paleozoic era.
Curated Video
Earth's Worst Mass Extinction Is Actually a Warning
New ReviewThere is a surprising natural wonder in the middle of the vast West Texas desert: a prehistoric ocean reef built from the remains of ancient sea life. This fossil-rich landscape tells the story of Earth's most devastating mass...
Curated Video
The Last Wild Axolotls of Mexico City
New ReviewIn the southern part of Mexico City lies Xochimilco, a maze of canals filled with boats, music, food and tourists. It’s also one of the last remnants of the interconnected lakes that once surrounded Tenochtitlan, the ancient capital of...
Wonderscape
The Incredible Speed and Vulnerability of Cheetahs
New ReviewScience Kids Fastest Animals On Earth - Cheetah, Pronghorn, Springbok, Quarter Horse and More! Cheetahs are renowned for their incredible speed, reaching up to 76 mph and accelerating faster than a sports car. Their unique physiology,...
Wonderscape
Insect Relocation: A Warning Sign of Climate Change
New ReviewScience Kids Climate Change Causing Insect Relocation The video highlights how insects are serving as important indicators of climate change by relocating to cooler areas as temperatures rise. Scientists are studying these insect...
Wonderscape
The Ethics and Implications of Gene SplicingPros of Gene Splicing
New ReviewScience Kids Bringing Back Extinct Animals - Should We Just Because We Can The pros of gene splicing include the potential to bring back extinct species, advance medical treatments through CRISPR and optogenetics, and gain a deeper...
Curated Video
Darksiders 2 Walkthrough Part 4 - Introduction
Howcast - Check out part 4 and become Death in this walkthrough of THQ's new release, Darksiders 2.
Curated Video
The Animals We Rescued from Extinction
It's amazing to think about the animals we've managed to save from the brink of extinction. Thanks to conservation efforts, species like the California condor, black-footed ferret, and the Arabian oryx are still around today. These...
Curated Video
Endangered Antelope Species Slowly Thriving Once Again
In England, a desert antelope has been transferred to the Bedfordshire zoo in an ongoing effort to bring the species back from the brink of extinction. Having traveled from the Aalborg Zoo in Denmark through land and sea, Sabre, a...
Curated Video
Endangered Red Wolves Receive Dental Treatment to Save the Species
Thanks to some incredible breeding and reintroduction programs, red wolves, the world’s most endangered wolf species, that are native only to the United States, are slowly growing back in numbers. One of these programs, at the Point...
Curated Video
Zookeepers Are Trying to Save This Beautiful Butterfly From Extinction
Visit the San Diego Zoo's Butterfly Conservation Lab, where zookeepers are saving this species and others from extinction.
Professor Dave Explains
Population Ecology (Life Tables, Age Structure, Population Growth)
With an understanding of individual organisms, let's take a look at population ecology, which looks at the dynamics of populations of organisms. How do populations grow? How are they structured? What is their geography? There is a lot to...
Curated Video
The Age of Dinosaurs: A Journey into the Mesozoic Era
This video provides a fascinating overview of dinosaurs, their reign on Earth for 165 million years, their diverse sizes and species, and their eventual extinction due to a combination of a meteorite impact and volcanic eruptions. It...