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Sharks use electroreception to locate prey. Learn how the elasmobranch family uses electroreception and what ions have to do with electroreception.

Butterfly color is some of the most striking in nature. Learn how butterfly wings use ordinary color and structural color.

Tigers swim in order to cool off, trap prey and relax. Learn where tigers swim, why other big cats don't join in the fun and who the heck Odin is.

Wormwood is used in herbal remedies to kill parasites and stimulate digestion. Learn more about wormwood and making wormwood herbal tea.

Climate change can effect civilization, a phenomenon demonstrated by the mound builders of Peru. Learn how climate change can effect civilization.

Humans living with wolves can stay safe by respecting wolf territory. Learn how some experts are living with wolves to study and save these animals.

Autism is caused by abnormalities that exist in the brain structures or functions. Learn more autism causes at Discovery Health.

On most U.S. shorelines, the public has had a time-honored right to "lateral" access to beaches. That sandy space, however, is being hotly contested.

If you're looking for the venomous timber rattler, the U.S. is the place to be, as these bad boys are found in at least 27 states.

For instance, gun silencers don't make guns all that quiet.

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