Earth and Environment

Sharks in Acidic Waters Avoid Smell of Food

The smooth dogfish, a shark whose range includes the Atlantic Ocean off the eastern United States, could lose their ability to sense the smell of food if climate change if ocean acidification continues its current pace. Credit: Danielle Dixson

Sep 09, 2014 - Atlanta, GA

The increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food, a new study suggests.

Fish use chemical camouflage from diet to hide from predators

A filefish, pictured here, can create chemical camouflage by feeding on coral reefs. Credit: Tane Sinclair-Taylor

Dec 11, 2014 - Atlanta, GA

A species of small fish uses a homemade coral-scented cologne to hide from predators, a new study has shown, providing the first evidence of chemical camouflage from diet in fish.

Slick and slender snake beats short and stubby lizard in sand swimming

The shovel-nosed snake, which is found in the Mojave Desert of the southeast United States, has an elongated body and low-friction skin, which allow it to swim through sand rapidly and efficiently. It is shown here in a bed of sand in a Georgia Tech laboratory. (Credit: Jason Maderer)

Jan 12, 2015 - Atlanta, GA

For swimming through sand, a slick and slender snake can perform better than a short and stubby lizard.

New robotic vehicle provides a never-before-seen look under Antarctica

Apr 02, 2015 - Atlanta, GA

A first-of-its-kind robotic vehicle recently dove to depths never before visited under Antarctica’s Ross Ice Shelf and brought back video of life on the seafloor.

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