A common misconception is that evolution is a long chain of progress, where organisms gain cool, new features over time. However, if a trait doesn't help with survival or reproduction, eventually it can disappear. Here are a few...

Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.

Welcome to the first episode of a new format for Bizarre Beasts, which we’re calling Season Zero. Over the next year, we will be remastering episodes of Bizarre Beasts that were originally created for vlogbrothers.

First up: the...

Cat cafés are popping up all over the United States, but this one is VERY unique. Based in Orlando, Florida, this Cat Café is both a cat adoption center and a coffee shop that donates all of its profits to charitable...

Howcast - Learn how MRIs and CAT scans are used to evaluate patients with epilepsy from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Cat bites can be painful as well as dangerous, but you can avoid being bitten if you take the right precautions.

Howcast - Cat massage is good therapy for both you and your cat. Here are some ways to use massage to pamper your pet.

Zookeepers had to get creative to administer Mr. White Cheeks' medicine.

Meet San Diego Zoo’s mountain lion siblings and learn why the big cat is known as a puma, cougar, ghost cat and other names.

Meet San Diego Zoo’s mountain lion siblings and learn why the big cat is known as a puma, cougar, ghost cat and other names.

Zookeepers give these kitties brand new enrichment, created by local summer camp kids with some questionable art tastes.

DIY: Cat Bed and Table Combo!

On Oct. 18, 1963, a cat went to space! Félicette was a French "catstronaut" who became the first and only feline to fly to space. ‘On This Day in Space’ Video Series on Space.com



While the U.S. and Soviet Union were busy...

NASA tested laser communications from space with a video of a cat chasing a laser dot! Psyche beamed the video about 19 million miles back to Earth.<b<br/>r/>

Credit: Space.com | footage courtesy: NASA | edited by Steve Spaleta

This video explains a small trick to solve any direction sense problem correctly within one minute.

Swooping down from the heavens on a fire ball, the Kasha drags the bodies of the dead to the underworld for a life of damnation. Most frequently depicted as a demonic, flaming cat, the kanji for ‘Kasha’ actually translates to “Fire...

Build an automatic pet treat dispenser using an Arduino in this fun engineering project.

Automatic Dog (or cat) Treat Dispenser with Arduino

Build a magnetically-activated door for your dog, cat, or other pet using an Arduino in this fun engineering project.

Dr. Forrester gives an overview of many of the jobs in her community, both public service and community service.

Level 1 – Unit 11 – Pre-A1 English for children aged 5-12 – The learning objective for this set of videos is as follows: Animals - It's a (bird).

Level 1 – Unit 11 – Pre-A1 English for children aged 5-12 – The learning objective for this set of videos is as follows: Animals - It's a (bird).

Level 1 – Unit 11 – Pre-A1 English for children aged 5-12 – The learning objective for this set of videos is as follows: Animals - It's a (bird).