Background Articles

On the last Sunday in April, I received a brief but exciting message. “Frogs are singing,” Barbara Carlson notified me.

An expert warns that early snowmelt and increasing ski tourism in vulnerable high‑altitude calving areas on Hardangervidda and Nordfjella are disturbing Norway’s wild reindeer during their critical breeding season.

We have a lot of phenological events, but how much snow and when it falls are not part of that scheme. If you did not mulch last fall, you are going to lose some and maybe many of your perennials.

Thunderstorms are rare in the cold, dry Arctic, but a surprising event in August 2019 has scientists rethinking how these storms form in polar regions. A team of researchers from the University of Science and Technology of China has uncovered new insights into this phenomenon.

A new study reports that Atlantic salmon exposed to the anti-anxiety drug clobazam during migration became bolder, passing through hydropower dams faster, though this behavior might increase predation risk later.