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.