Tomsk Polytechnic University (TPU) scientists, together with foreign colleagues, have developed porous scaffolds made of titanium and niobium alloy with controlled porosity and bioactive coating. The ...

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, ...

Ancient Egyptian guards may have used a tiny cow bone with a hole drilled into it to keep royal tomb workers in order. The ...

A tiny fossil, Acronichthys maccognoi, rewrites fish evolution in North America and reveals how otophysans conquered freshwater habitats.

To use a light microscope to examine animal or plant cells. To make observations and draw scale diagrams of cells. Turn the coarse focus so that the stage is as close to the objective lens as possible ...