Two professors answer common questions and clear up misconceptions about good hygiene and food safety through a series of experiments that determine how much bacteria gets transferred by sharing utensils and how many microbes live on restaurant menus among others.
A distinguished biologist presents a natural history of the wilderness in everyday homes, revealing the presence of some 200,000 species, from shower microbes to cupboard moths, including many who benefit human health.
A Space.com senior writer shares scientific insights into the search for alien life, using a question-and-answer format to explore subjects ranging from the economics of living in space to what alien life might look like.
From the Siberian permafrost to balmy California, scientists across the globe are working to resurrect all kinds of extinct animals, from ones that just left us to those that have been gone for many thousands of years. Their tools in this hunt are both fossils and cutting-edge genetic technologies. Some of these scientists are driven by sheer curiosity; others view the lost species as a powerful weapon in the fight to preserve rapidly changing ecosystems.
A hiking trail through majestic mountains. A raw, unpeopled wilderness stretching as far as the eye can see. These are the settings we associate with our most famous books about nature. But Gavin Van Horn isn't most nature writers. He lives and works not in some perfectly remote cabin in the woods but in a city--a big city. And that city has offered him something even more valuable than solitude: a window onto the surprising attractiveness of cities to animals.