Throughout, levels of different hormones rise and fall - and body temperature rises around ovulation.

BBC: Hormones in menstrual cycle 'affect asthma'

When heated to a high temperature, the bath gives off a mist of atoms that fall on to the surface of the object.

ECONOMIST: MONITOR

The rise and fall in both temperature and carbon dioxide, evident in Antarctic ice cores, was at first thought to be evidence of carbon dioxide driving climate change.

WSJ: Matt Ridley on Confirmation Bias and Global Warming | Mind & Matter