Scientists are starting to understand more about the small heart muscle fibers that Da Vinci showed in his illustrations over ...

This Valentine’s Day, as we exchange stylised hearts in celebration of love, we might pause to remember that the power of the ...

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...