Monthly Archives: December 2014

A Quarter of the World’s Plants are Threatened with Extinction

Extinction refers to the end of an organism. It means that all of the individuals of an organism (usually a species) have died. For example, dinosaurs are all extinct.  There are many other plants and animals that have gone extinct.  … Continue reading

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A Kangaroo Rat (genus dipodomys) Can Spend its Entire Life Without Drinking Water

Merriam’s kangaroo rats (Dipodomys merriami) live in the Baja Desert in southwestern America, which is very hot and dry.  These kangaroo rats live in deep burrows underground, which stay cooler than outside.  When kangaroo rats breathe, the moisture that escapes … Continue reading

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Rain Can Fall at a Rate up to 18mph

Rain call fall between 7 and 18 miles per hour (mph), depending on wind and the size of the raindrop.  Rain cannot fall faster because the friction in the air makes the raindrop fall apart above 18 mph.

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As Much as 70% of Atmospheric Oxygen is Produced by Marine Plants and Algae

There are more than 7,000 species of algae and they can live in the ocean, lakes, and rivers. Algae are grouped into three categories: red, green and brown.  Brown algae is the most common of all the algae. Green algae … Continue reading

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The Mystery of Popping Knuckles

Contrary to popular belief, cracking your knuckles does not cause arthritis in your knuckles. Medicine does not know the exact cause of the popping sound; however, there are three major hypotheses (educated guesses): 1) cracking knuckles causes small air pockets … Continue reading

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60-65 Million Years Ago, Dolphins and Humans shared a Common Ancestor

Cladistics is a science tool that helps scientists group organisms together based on shared characteristics, such as the presence of hair (mammals) or chlorophil (plants). Many of those characteristics are genotypes, which means the DNA that codes for the characteristics. … Continue reading

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Human Tapeworms Can Grow up to 22.9m!

Tapeworms are segmented flat worms that live in the intestines of animals, including humans. They can enter the intestines if you eat uncooked meat that contains these tapeworms. This is why it is important to always thoroughly cook all meet. … Continue reading

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