Many scientific disciplines deal with the temporal characteristics of nature. Detailed knowledge of the causes and consequences of the seasons is important in agriculture, weather and climate research, ecology, medicine and tourism. This web portal offers a lot of interesting information on this topic.more
Horizons No. 123
It’s the dose that makes the poison, said Paracelsus. But with toxic substances, we might never know where the boundary lies between what’s harmless and what’s dangerous.