Space is an unnatural environment for humans. We can’t survive unprotected in a pure vacuum[1] for more than two minutes. Getting to space involves being strapped to a barely contained chemical explosion[2].
Since 1961, fewer than 700 people[3] have been into space. Private space companies such as SpaceX[4] and Blue Origin[5] hope to boost...
Why isn’t your body transparent? Some animals such as jellyfish[1], zebra fish[2] and some glass frogs[3] have see-through bodies. But most mammals, including humans, aren’t transparent.
While the idea of a transparent body might seem odd or even a bit creepy, it could actually be really helpful for doctors. If our bodies were...
What parent hasn’t been there? It’s been a long day, you still have dinner to make, maybe lunches for tomorrow too, and you just don’t have the energy to wrangle your kids into a new art project or plead with them to pick up a book.
Instead, you give in when they beg for more iPad time. Or maybe they promise they’ll do their...
Many people have seen dogs fetch, but cats like to get into the game too. Despite their very different hunting and play styles, fetching appears to combine elements of predatory and social behavior for both species.
Although their domestication histories and natural behaviors are very different, cats and dogs share many similarities. Both...