Optical illusion: Only 1 in 3 people spot all the faces in this viral optical illusion: What do you see first? |

This ambiguous optical illusion challenges the brain by hiding multiple faces within a single image. The article explains how our perception can be influenced by expectation and past experiences, and how different viewing techniques can reveal hidden details. It highlights that spotting all the faces is a fun test of focus and flexible thinking. Optical…

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Heart Health: Men need to exercise twice as much as women to protect their hearts – here’s why |

A major new analysis published inNature Cardiovascular Research has found that men must exercise almost twice as long as women each week to achieve the same protection from heart disease. The results challenge long-standing global fitness guidelines that treat both sexes the same, even as heart disease remains the world’s biggest killer.If exercise affects male…

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