Cheesy feet aren’t just an embarrassment – understanding the stench could save lives. David Robson delves into the strange ecosystems between your toes.
Ranger 7 approached the moon precisely on target and transmitted 4,316 images in the 15 minutes before it impacted the lunar surface on the northern rim of the Sea of Clouds. The images, which showed the lunar surface in stunning detail, were the harbinger of future human exploration of the moon.
What if I told you that recent experiments have revealed a revolutionary new method of propulsion that threatens to overthrow the laws of physics as we know them? That its inventor claims it could allow us to travel to the Moon in four hours without the use of fuel? What if I then told you we cannot explain exactly how it works and, in fact, there are some very good reasons why it shouldn’t work at all? By Steven Thomson.
A new book offers mathematical puzzles, such as fitting a coin through a hole that seems too small to accommodate it. Colm Mulcahy reviews "Things to Make and Do in the Fourth Dimension: A Mathematician's Journey through Narcissistic Numbers, Optimal Dating Algorithms, at Least Two Kinds of Infinity, and More," by Matt Parker. Farrar, Straus and Giroux.