Replanting forests can help cool the planet even more than some scientists once believed, especially in the tropics. But even if every tree lost since the mid-19th century is replanted, the total ...

Darren Fruit has been teaching math at West Salem High School for nine years. He initially attended college with a different ...

Polynomials above 4 degrees have a shiny new target on their back.

That's how challenging it can be for scientists to distinguish the tiny powdery pollen grains produced by fir, spruce and pine trees ... linked to environmental factors such as temperature ...