Every Spring, the blanket of Australian alpine snow starts to melt, and the Mountain Pygmy Possum wakes up from its seven-month-long hibernation.
(Phys.org) —It's the yellowish coating on cars. It floats on ponds, blows with the spring breeze and serves as a potent irritant to allergy sufferers. Now a NASA team is targeting pollen—and its work could help alleviate ...
It may look like the dead of winter outside, but the allergy season is already underway. Trees begin spreading pollen before leaves appear on their branches. Grass and weeds will begin pollinating later in the year.
Ragweed allergy season in North America has grown two to four weeks longer in recent years because of warmer temperatures and later fall frosts, researchers said.