Most conventional light microscopes have a resolution of 200 nanometers – this means that imaged objects which are any closer together won't be seen as separate items. A new high-tech microscope slide ...

Wesley R. Coe, professor of zoology at Yale during the early 20th century, devoted his career to studying ribbon worms — a group of mostly marine-dwelling creatures that includes more than 1,000 known ...

In the mid- to late-19th century, science gripped the public imagination. Literacy rates were rising, feeding demand for books. Theories, put forward in books like Charles Darwin's Origin of Species, ...