MARIE V. LEBOUR, PROTOHYDRA, A VERY SIMPLE ANIMAL (WITH ORIGINAL SKETCHES FROM LIFE), Science Progress in the Twentieth Century (1919-1933), Vol. 25, No. 97 (JULY 1930), pp. 64-69 ...

F ossils are like nature’s time machines, giving us a peek into life on Earth millions of years ago. The oldest animal fossils tell stories about how complex life began and evolved. Be it simple ...

A new artificial intelligence can transform simple sketches of a face into fabricated photorealistic pictures. The AI, called DeepFaceDrawing, was invented by researchers at the Chinese Academy of ...

The Ikaria identified were small and simple, as predicted—ranging 1.9 to 6.7 millimeters in length and 1.1 to 2.4 millimeters in width.