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Do You Have a Maximum Heart Rate?
Does your heart rate have an upper limit and could you ever reach it?
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Exploring the Growing Threat of Dead Zones in Our Oceans and Waterways
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...
Curated Video
Josefa Segovia: The Only Mexican-American Woman Hanged in California
Was Josefa Segovia – the first and only woman hanged in the state of California – killed for her actions or her race? And what can we learn from her tragic story?