In most developing tissues, signals called morphogens act like lighthouses, guiding nearby cells toward their fate and telling them what to become. Each cell relies on such signals for organized ...

How did insect wings originate? This is a question that represents an unsolved mystery of insect evolution. Despite many years of research, it is still not entirely clear from which body structure ...

About 350 million years ago, our planet witnessed the evolution of the first flying creatures. They are still around, and some of them continue to annoy us with their buzzing. While scientists have ...

One of the grand goals in the field of robotics is to develop systems that can perform tasks using power received from sunlight. The vision is to create a class of untethered, sunlight-powered robots ...

When most people think of wings, they immediately think of flight. After all, wings are nature’s ultimate symbol of freedom, ...

Scientists built a working model of an early winged dinosaur to test a hypothesis about how the appendages evolved. By Asher Elbein The origin of bird wings has long presented a puzzle to ...