See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For the first time, scientists have recorded the heart rate of a blue ...

Freediver Jessea Lu can hold her breath for the entire time it would take an ordinary to read this article. And then some. She can go without drawing breath for over six minutes at a time, part of ...

The shrew's resting heart rate can reach up to 17 beats per second, equivalent to about 1,020 beats per minute. In comparison, the average human resting heart rate is around 60 to 100 beats per minute ...

Your heart rate, also called your pulse, is the measurement of how fast your heart is beating. Measuring your heart rate, or heartbeat, gives a glimpse of your overall health and could help you spot ...

We have checked the pulse of a wild-living blue whale for the first time, and discovered something remarkable. When blue whales dive for food they can reduce their heart rates to as low as 2 beats per ...

Guidelines may vary, but generally, heart rates greater than 120 to 150 beats per minute can be dangerous. When the heart rate is that high, a person with AFib should consider seeking medical ...