One of the more variable factors with which plants and animals must contend in the St. Johns River is salinity, or salt concentration in the water. Yet it is also critically important to many species.

Stone is heavy. Every stone mason who has ever blackened a fingernail knows this to be true. Granite weighs 165-170 pounds per cubic foot. One 2-by-3-foot piece of bluestone for a walkway, 2-inches ...

SAN ANTONIO – Hello parents, teachers and students! Are you looking for something fun to do at home that has a little bit of science behind it? Well, check out this cool experiment that allows you to ...

Delayed selfing allows self-fertile organisms to reproduce even in the absence of mate, and is thought to have evolved as a reproductive assurance strategy. In animal species with strong inbreeding ...