Monsoon rains kill 77 in Pakistan

At least 77 people have died in monsoon rains lashing Pakistan, the country's climate change minister said Wednesday, warning more heavier-than-usual downpours lay ahead.

What is pond? Study provides first data-driven definition

Nearly everyone can identify a pond, but what, exactly, distinguishes it from a lake or a wetland? A new study co-led by Cornell offers the first data-driven, functional definition of a pond and evidence of ponds' distinct ...