cancer emotional outlook positive thinking survival myth

A person's attitude does not cause or cure cancer

The old idea that negative or hidden emotions cause cancer is not supported by evidence and can wrongly make patients blame themselves. There is also no good evidence that simply thinking positively makes people with cancer live longer.

Animals can navigate without landmarks

Some animals keep track of where they are by continuously adding up their own movements from a known starting point. Mammals can use signals from balance, body movement, and what they see moving around them. This allows navigation even without familiar landmarks.

The Solar System is missing two common kinds of planets

Compared with many known planetary systems, ours has no planets closer to the Sun than Mercury and no super-Earths—planets larger than Earth but smaller than Neptune. Super-Earths are the most common type of planet in the Milky Way, making their absence unusual.

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cancer emotional outlook positive thinking survival myth

A person's attitude does not cause or cure cancer

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