Does your heart rate have an upper limit and could you ever reach it?

The video discusses the phenomenon of dead zones in bodies of water, which are regions with low oxygen levels due to an excess of nutrients from agricultural and industrial activity. The video explains the four types of dead zones and...

If cells and organs never talked to each other, an animal would fall apart faster than a boy band after the popular one goes solo. Thankfully, that’s where the nervous and endocrine systems come in! In this episode of Crash Course...

Students often have trouble learning English idioms because of their idiomatic nature, but in this video English lesson we take a look at the British idiom ""money to burn"". Using appropriate imagery to illustrate the many examples...

Método científico de datación muy utilizado en arqueología para estimar la edad de la materia orgánica tal como madera, semillas o restos animales. <br/<br/>>

Twig - Química

Howcast - Learn about Joe Vena of NYC's Children's Museum of the Arts, one of Howcast's stop motion animation experts, in this video.

Pupil outcome: I can understand that the UK is affected by weather hazards and that there is evidence that weather is becoming more extreme. Key learning points: - The weather in the UK can be hazardous. - The UK is affected by a number...

Main organs and nerves of the nervous system.