There are many patterns of collective behavior in biology that are easy to see because they occur along the familiar dimensions of space and time. Think of the murmuration of starlings. Or army ants ...

Custom-assemble five fluorine atoms with a few other atoms, and the product is a molecule. It’s also a computer. The problem that it’s solved is a simple one, but the exercise provides experimental ...

Don't forget to take a ruler and scientific calculator into the exam. Maths questions often start with the command word calculate. You need to use numbers given in the question to work out the answer.

Don't forget to take a ruler and scientific calculator into the exam. Maths questions often start with the command word 'Calculate'. You need to use numbers given in the question to work out the ...