This video is a lecture presentation on biotic factors. The presenter defines and explains how biotic factors, which are living factors that affect a community, can impact the members and distribution of organisms in ecosystems. The...

This video provides an overview of sharks, highlighting their characteristics, special skills, life cycle, and the threats they face. It emphasizes the importance of sharks in maintaining the balance of the ocean ecosystem and encourages...

Religion is a social thing. It involves beliefs and practices passed on from generation to generation as an integral part of culture. But is there a biological default to religion hardwired in the brain of homo sapiens?

Learn all about giant creatures that roamed the earth long before humans, dinosaurs! Understand the differences between velociraptors, protoceratops, the mighty T-rex and more! How did they live? What did they eat? And why did they go...

In this video, the teacher guides students on how to effectively conclude an informational text by asking themselves what they want readers to remember. They emphasize the importance of avoiding a dull conclusion and instead ending with...

In this video, the concept of camouflage and other physical adaptations in living organisms is explored. Examples such as turtles' hard shells, bees' stingers, and sea urchins' spines are given to illustrate how these adaptations help...

Ecologists take a comprehensive look at sagebrush habitat through the eyes of a small, but important, resident Description: The Lemhi Valley is a high desert sagebrush steppe environment in eastern Idaho, along the border with Montana....

How are people affecting wildlife behavior in Glacier National Park? Millions of visitors travel the Going-to-the-Sun Road every year, changing behaviors of some wildlife species. This film highlights research on mountain goats at Logan...

In this video, we learn about the fascinating world of ducks. From their diverse sounds across different cultures to their adaptability in various habitats, ducks are true international citizens. We explore their anatomy and physiology,...

Do they use airplanes and helicopters to spot sardines? How do gannets hunt sardines? Why do they form a huge bait ball? The Great Sardine Run, Part 3

Where are the scientists? What is the sardine run? How do scientists know where to look for these fish? The Great Sardine Run, Part 1

Can flamingos quickly fly away from predators? How do flamingos communicate with each other? Lake Nakuru Flamingos & Friends, Part 3

All animals, including humans, need to sleep. Scientists have several theories that help explain why we sleep. In this episode of But Why, a child sleep psychologist describes the evolutionary theory of sleep and explains how sleep...

Nature can nourish and replenish us, and provide a solitary escape from a hectic human existence; nature is also used and destroyed by the human population as a whole. Here's a summary of the threats to our wildlife, centred around the...

Scientists examined signs of trauma in thousands of dire wolf and saber-toothed cat bones from the La Brea Tar Pits to better understand how these Ice Age beasts hunted and killed their prey.

This video will take students through how insects fit into their environments. It explores their habitats and the way they live.

This video captures a day trip to Butrint National Park in Albania, showcasing the ancient ruins, local culture, conservation efforts to save the Egyptian vulture, and the strong sense of community among the people. It highlights the...

JOHANNESBURG, SOUTH AFRICA: HANDSOME lion wrangler Shandor Larenty is so busy with his lions and hyenas - who like to give him kisses - has no time for romantic relationships with girls. While his friends were out partying and enjoying...

How did dinosaurs get their names? What were the dinosaurs like? How long ago did they live? Can a dinosaur be created from DNA? Did they take care of their young? Why did they die out... or did they? In the Late Jurassic Period! This is...

This clip examines Bighorn sheep die-offs and one of the reasons their numbers aren't bouncing back as they usually do: growing predator populations. Filmed over a two year period in the rare grasslands of the Chilcotin in British Columbia.

In this episode, Coyote is in Texas searching for creatures at NIGHT! What kinds of bizarre creatures will he find in the darkness of the middle of the night?! From nocturnal predators to neon lizards and everything in-between, you won't...

This video provides a comprehensive overview of the great cats, focusing primarily on lions. It explores their habitat, social structure, hunting techniques, mating behaviors, and the challenges they face in the wild. The video offers...

In this week’s episode, we learn about a new wall-jumping robot, using sensor-integrated blocks to better identify developmental disabilities, we learn about creatures with camouflage, a new procedure to detect exposure to dangerous...

We all know a lion or tiger will mess you up. But you probably imagined you were safe in your backyard. Think again: from swarms of bees to hidden snakes, here are 10 Deadly Animals Lurking in your Backyard.