New ReviewSome fish not only survive but thrive in Antarctic waters. Learn their secret in a lesson in an informative video about the freezing point of the salty sea water as well as the antifreeze proteins in the species' circulatory system.

New ReviewWe've heard about pygmy pigs—why not pygmy mammoths? Fossil evidence proves their existence, but the dilemma is figuring out where they lived. A video describes different theories on their evolution and migration.

New ReviewThey're not just pretty faces! Flamingos may look delicate, but they have adaptations that allow them to survive in areas most other organisms cannot. A video lesson in a larger ACS Reactions series describes how flamingos survive in...

New ReviewA quarry worker in southern Africa discovered the first fossil evidence that the human species originated on the continent less than 100 years ago! Evidence from the specimen indicates the first humans were not the hunters—but the prey....

Many believe dinosaurs were much larger than animals of today, but even the biggest dinosaur was only half the size of the average adult blue whale. Understanding why animals appear to be getting smaller starts with a discussion of...

The word camouflage was first found use in English in the 1917 edition of Popular Science magazine. Camouflage, along with many other variations, star in the second video in a four-part series about adaptations. Join the virtual field...

How do animals avoid predators, including humans, if they can't move to a new habitat? The third video in a four-part series explains a recently published article on the topic of adaptations. Many mammals shift their schedules to a more...

A field trip to study reproductive behavior of big game is a great set up for big-time learning! Part two of a four-part Reproduction video series takes viewers up close and personal with the animal residents of a wildlife preserve in...

How do we define the ultimate animal? Is it brain power, athleticism, population size, longest surviving, or something entirely different? Observe many animals at the top of the evolutionary ladder, or more accurately, ladders with a...

The tentacles often get attention when admiring a sea anemone. A video series on marine life explains this complex body part in a short video. It details the parts of the tentacles, the function, and shows the barbed harpoon with deadly...

Sea anemones grow to up to six feet in diameter. Viewers observe an intense battle between two of these predatory species. With battles lasting hours, or even days, the slow motion aggression surprises many viewers.

Scientists discovered the key to nautilus buoyancy when they X-rayed the shell of living mollusks. An educational video shares these X-rays and explains how the process works. It connects evolutionary changes, a unique circulatory...

How did Charles Darwin support his controversial theory of evolution with evidence? Use an excerpt from his 1859 work On the Origin of Species to reinforce the importance of making inferences within an informational text, and to discuss...

Some praying mantises find themselves decapitated and yet still find a way to actively mate. Learn more about these savage insects and why they behave this way. Viewers observe high detail, graphic videos of various mating scenarios...

Imagine a mammal with the metabolism of a plant! This strange mammal appears cold-blooded like a reptile and demonstrates the social life of an insect. A short video examines learning the incredible adaptations of the naked mole rat.

Dragonflies have existed for more than 320 million years and used to have a wingspan of more than two feet. An informative video helps viewers understand the adaptations of this insect to survive longer than the dinosaurs, and their...

Over millions of years, bats developed flight and echolocation, so why are some bats now walking to look for food? An interesting video explains the changes in predator and prey relationships due to adaptation. Which adaptation is the...

Daddy Longlegs have eight appendages, but only six of them are actually legs. Learn about these fascinating arachnids and why they only need just over half of their legs to survive, and observe the benefits and risks of having long legs...

Without access to water, humans survive only a few days yet animals that hibernate seem to survive without water for months. Learn how animals survive hibernation in a video that is part of the Seasonal Science series. It addresses many...

Talk about a sticky situation! What is spider silk, anyway? Scholars scope out the science behind one of the world's strongest substances through a video from an intriguing science series. A leading spider scientist discusses the types...

Why so blue? As it turns out, very few things in nature only reflect blue light! A short video from a comprehensive science playlist highlights the beautiful blues of butterflies, birds, and human eyes. The narrator shows how adaptations...

Change is good ... unless you're a tuatara! Meet Earth's oldest surviving reptile species in a fun video from an extensive science playlist. Content includes why the tuatara did not evolve and its unique anatomy.

Much like your favorite superhero, the axolotl has amazing super powers! Explore the extraordinary world of the salamander that never grows up in a video from a larger science playlist. Content includes axolotl behavior versus normal...

What happens to a species when members become separated by changes in their environment? Present young biologists with the ultimate example species—the anole lizard. A brief video describes the origins of the multitude of anole species...