Most of us can hold our breath for between 30 and 90 seconds. Subscribe to our newsletter for the latest sci-tech news updates. A few minutes without oxygen can be fatal, so we have an involuntary ...

Breath-hold diving elicits a remarkable suite of physiological responses that enable humans to withstand extreme hypoxic conditions. At the core of these adaptations is the diving response, which ...

Mermaid Elle — a.k.a. Elle Jimenez — opens up to PEOPLE about what it really takes to be a real-life mermaid Jimenez says that working as a mermaid for 10 years has been physically draining on her ...