Hummingbirds are responsible for some of the fastest evolution in the plant kingdom.

Publishing and having access to scientific articles is an expensive business for research institutions. Fortunately, there are content providers out there who deliver rigorous material that’s free of charge.

New evidence suggests a massive centuries-long drought may be part of the answer.

Elite teams plan for heat, recovery and warning signs. Workplaces expecting effort during heatwaves need the same kind of thinking.