In the summer, tens of thousands of insects fly over fields and farmland. Many are very small or fly high up in the air, so we don’t see them. Some insects cause damage to crops and forests, some spread disease, while others bring benefits in terms of pollination or pest...
The research on animal migration could also provide answers to how the Vikings navigated on their journeys across the seas. Susanne Åkesson and physicist Gábor Horváth have found that the polarisation of light can be used to find one’s way even on overcast and foggy days. On a sea expedition...
