Extreme heat takes a toll on animals and plants. What their keepers do to protect them
By 6:35 a.m., Ryan Vittetoe has already laid eyes on 75 of the 90 birds in his care. In the early Au...
Joan Meiners
How to measure heat correctly, according to scientists, and why it matters
As recent fervor for storm chasing and the national pastime of doubting meteorological predictions d...