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What is an “exotic” fish?

Source: National Marine Fisheries Services' Northeast Fisheries Science Center     The most often quoted estimate is 20,000. There may be as many as 20,000 more. Which is the oldest type of…

Chordata

(Encyclopedia) CE5 Common features in representative groups of the phylum Chordata ChordataChordatakôrdāˈtə, –däˈ– [key], phylum of animals having a notochord, or dorsal stiffening rod, as the…

lever

(Encyclopedia) CE5 Classes of levers: A first-class lever (A), a second-class lever (B), and a third-class lever (C) lever, simple machine consisting of a bar supported at some stationary point…

Audible Snowflakes and Other Discoveries

More science highlights discovered in 2000 by Otto Johnson More Discoveries IntroductionIce Age Haute CoutureAntisocial Brain Tissue DeficitNew Orleans, the New Atlantis?First…

The Character of Holland

The Character of Holland Holland, that scarce deserves the name of Land, As but th'Off-scouring of the Brittish Sand; And so much Earth as was contributed By English Pilots when they heav'd…

The Journals of Lewis & Clark: May 29, 1805

by Meriwether Lewis and William Clark May 28, 1805May 30, 1805May 29, 1805 Wednesday May 29th 1905. Last night we were all allarmed by a large buffaloe Bull, which swam over from the…

Peter Pan: The Children are Carried off

Wendy's Story Do You Believe in Fairies? The Children are Carried off The pirate attack had been a complete surprise: a sure proof that the unscrupulous Hook had conducted it…

Anatomy and
Physiology: Can You Hear Me Now?

Can You Hear Me Now?Anatomy and PhysiologyThe SensesWindows to the SoulCan You Hear Me Now?The Nose KnowsDon't Be So Touchy! There is an elegant, mechanical simplicity to sound. Sound is…

Anatomy and
Physiology: Don't Wait. Rotate!

Don't Wait. Rotate!Anatomy and PhysiologyThe JointsTypes of JointsHinges, Pivots, and Saddles … Oh My!The Dancer's AlphabetDon't Wait. Rotate! Rotational motion is motion where the tip of the…

Anatomy and
Physiology: Now I Know My WBCs

Now I Know My WBCsAnatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs Although there are many types of white blood cells (see Figure 10.4), they…