Hefei University of Technology

Researchers have developed a new type of adaptive liquid lens that changes its focal distance when a voltage is applied. Made with an electrically responsive fluid, the lens is lightweight and could be easily manufactured for use in smartphones.

​​Scientists have always thought an animal group that includes crocodiles, birds and dinosaurs, reproduced only by laying eggs. But now, paleontologists have uncovered a 250-million-year-old fossil with an embryo inside, forcing a rethink of reproductive evolution.​