Charles Darwin introduced the notion of “survival of the fittest,” where the fittest animals are those who can survive long enough to produce healthy offspring. The fittest animal can also be the most stealthy, resourceful, or even the...

6 Surprising Blood-Drinking Animals

Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...

From the sharp mouthparts of mosquitoes to the sticky feet of geckos, researchers have found all kinds of amazing adaptations in the natural world that could be useful in the operating room.

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Hank introduces us to 6 blood-drinking (or otherwise consuming) animals that you may not be aware of. Don't freak out... Chapters VAMPIRE BAT 1:35 LAMPREY 1:52 HOOD MOCKING BIRD 2:20 THE VAMPIRE FINCH 2:46 BUTTERFLIES 2:56 HUMANS 3:22

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...

Discover the magical world of fungi. Neither plant nor animal, they are a separate classification of living organism. Biology - Ecosystems - Learning Points. Fungi are neither plant nor animal. Most fungi are made up of networks of...

Find out how sunfish and seagulls work together to survive.
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Continuing with the clade Crustacea, there are 11 classes within this clade. Let's first look at the ostracods, copepods, and a few other smaller classes. There are some very strange animals in here, like the giant ostracod, fish lice,...

It explains common plant diseases and describes common practices followed for protecting crops from diseases.

Researchers have discovered a “Godzilla” wasp that deliberately dives underwater to insert parasitic eggs into its prey, according to a research article published in the Journal of Hymenoptera Research

The first phylum within Spiralia that we will investigate is Platyhelminthes. These are the so-called flatworms. What are their characteristics? What are the clades within this phylum? Let's set ourselves up for a thorough...

It explains the key characteristic features and common examples of animals belonging to Phylum Platyhelminthes.

Biological Classification Set: This clip looks at the three major phyla of worms: the Platyhelminthes, Nematoda and Annelida. As well as examining the phylum Mollusca.

Extreme Close Up push-in push-out - A parasitic worm invasion of a human lymphatic system causes edema in a computer-generated animation.

Protozoa (Leishmania donovani) - swimming, promastigote stage, parasite in vertebrates and insects

Extreme Close Up hand-held - A brain-eating amoeba burrows into a brain and replicates in a computer-generated animation.

CU Mosquito feeding on human, excreting blood, UK

Protozoa (Trypanosoma brucei) in mouse blood - attacking blood cells, parasite in vertebrates

Protozoa (Leishmania donovani) - swimming, promastigote stage, parasite in vertebrates and insects

Close Up pan-left push-in push-out tracking-right - A filariasis worm travels through the digestive system of a host in a computer-generated animation.

Protozoa (Trypanosoma brucei) in mouse blood - attacking blood cells, parasite in vertebrates

Protozoa (Leishmania donovani) - swimming, promastigote stage, parasite in vertebrates and insects

CU Carpet Beetle Larvae on wool