Seabirds transport nitrogen and phosphorus from the ocean to the land in their poop, increasing the density of plants on islands. Animals form the circulatory system of the planet—and whales are ...

We invite students to write public-facing letters to people or groups about issues that matter to them. Contest dates: March 12 to April 16, 2025. By The Learning Network What can we learn from ...

SAN ANTONIO — The San Antonio Water System (SAWS) held its annual "Spring Bloom" event, providing free plants to the first 1,000 visitors at their headquarters. The event aimed to assist ...

blood a pump (the heart) to push the blood around the body a system of tubes to contain the blood (arteries, veins and capillaries) The blood is the transport medium – it carries substances to ...