Flash floods killed 12 people near Utah's border with Arizona when a "large wall of water and debris" triggered by heavy rain pounding nearby canyons swept them away in their cars, officials said on Tuesday. Read more.
Wild bees are worth some $1.5 billion to key fruit and vegetable crops
in North America, according to new research that warned declines in
these pollinators threatens the productivity of economically important
agriculture. Read more.