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Posted by duddy   April 12, 2013   2600 views

Slot canyons are much deeper than they are wide, and are most commonly sandstone or limestone.

This is Antelope Canyon, located in Northern Arizona. There is enough room to move around comfortably at the bottom, but the opening on top is only 2-3 feet wide.

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Posted by duddy   April 12, 2013   2343 views


In 1937, a scientist named Carothers died at the young age of 41, desolated that he had not made his mark in the scientific world. His invention, Nylon, was to become one of the most commonly used plastics in the world. Nylon is used in toothbrushes, ropes and fabric for parachutes and clothing.

In the last century, plastics (synthetic polymers) have been so ubiquitous that it is difficult to imagine life without it. But what happens to it when we longer have use for it? Where does it go when we throw plastic out?

environment plastic waste
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Posted by duddy   April 12, 2013   2439 views

Without krill, most of the marine animals in Antarctica would disappear. So what are they?

Krill are crustaceans, each about 5 cm long. In addition to their diet of phytoplankton, they have the ability to scrape ice-algae from the underside of ice formations. In turn, they are on the menu for hungry squid, penguins, seals and whales. In short, krill form an integral part of the Antarctic ecosystem.

Together, krill would number in the billions, yet their numbers are decreasing. Why? One reason may be the melting and loss of ice formation due to increased global temperatures. Another reason is humans' greed. Krill oil, high in omega-3 fatty acids, is packaged as health medication to maintain healthy cholesterol. How many krill are worth the lif [ ... ]

ocean environment ecosystem whales
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Posted by duddy   April 11, 2013   2443 views
Here's a fun way to cheat on your next biochemistry exam Wink Face




exams biochemistry fingers
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This is so clever!
Posted on Jul 1, 2013 by doseofmegan
Posted by duddy   April 10, 2013   3496 views

A mountain in Kermânshâh, west Iran.

environment beauty
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So beautiful, it looks fake Frowning Face
Posted on Apr 10, 2013 by sitetester
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