CC0 Usage Conditions ApplyClick for more information. In this video, you will be guided to make observations of three different animals and their adaptations for survival. Even the youngest learners ...

Problem description. (a) Random stacking process (b) Description of block positions (c) Illustration of the position of the centre of gravity of the upper part of the tower above level 3 (𝑛 = 6, 𝑖 = ...

Since the turn of the century, six new chemical elements have been discovered and subsequently added to the periodic table of elements, the very icon of chemistry. These new elements have high atomic ...