articles

Some birds lay their eggs in the nests of other bird species and let the host parents raise their young.

We are never more conscious of the summer sun than while struggling to unpack a trap full of turtles, watching with resignation as the wind slowly drags us and our kayak across the marsh.

How does toothpaste stay in its tube and not ooze out when we remove the cap?

Economists frequently try to estimate the societal cost of releasing carbon dioxide into the atmosphere, but few of their projections go beyond the year 2100.

A study of camera-trap data from Serengeti National Park in Tanzania found that leopard population densities in the 3.7-million-acre park are similar to those in other protected areas but vary between wet and dry seasons