Jane Goodall (© Kennan Ward/Corbis)
These men and women didn't just wield beakers and collect specimens. See how their passion for nature and knowledge led to groundbreaking discoveries!
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Can you imagine a time when no one knew about microorganisms?

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Henry David Thoreau (© Culver Pictures)
Earth Day was every day for these tireless advocates of Mother Nature.

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Lists Archive
College (© BananaStock/Jupiterimages)
8 roommate survival tips
16 internship advice quotes from illustrious former interns
Top 5 SAT essay tips
Top 10 best-value colleges
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Brain Candy
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10 famous Mensa members
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10 odd auto names
10 tastes of summer
10 more words you simply must know
10 words you simply must know
Top 10 business buzzwords
Art, Film, Language, and Literature
James Dean (© Archive Photos)
5 embarrassing grammatical errors
9 famous Harrys (besides Potter)
10 brain-building books
10 20th-century photographers you should know
10 books you should (re)discover
10 classic holiday books for children
10 films that should have won the Oscar, but didn't
10 great books about American war heroes
10 great novels by African Americans
13 favorite holiday movies
14 great African American artists
6 facts you need to know about Saint Patrick's Day
6 famous lovers and couples
7 great environmentalists
7 road trips through history
8 quotes about moms
10 American women who changed the world
10 African American inventors
10 greatest inventions
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10 surprising facts about the Fourth of July
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11 American heroes
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15 African American firsts
15 famous quotes about war
15 proud papas
20 disenchanting quotes about love
20 things you didn't know about U.S. presidents
20 quotable sweet nothings
23 lovely quotes about love
25 firsts in the achievement of American women
43 highlights of African American history
Science and Nature
Earth (© NASA/Science Source/Photo Researchers, Inc.)
8 animals on the move
10 celebrity scientists
10 creatures you didn't know were poisonous
10 great scientific discoveries
10 incredible oceanic extremes
10 stellar facts for astronomy buffs
10 surprising dinosaur facts
10 things our pets would tell us if they could
10 things you should know before you go into space
11 moon facts: Bringing the Moon down to Earth
11 creatures of the night
13 things: Faster than a speeding bullet?
16 dog facts
20 ways sharks help humans
Sports and Games
Bill Tilden (© Archive Photos)
7 summer sports--from mild to wild
10 reasons baseball is a weird sport
10 NBA greats
10 Winter Olympics showdowns
12 tennis legends
Travel and Adventure
Honduras Landscape (© Kevin Schafer/ALLSTOCK, INC.)
5 true stories of survival
7 best royal palaces to visit
9 creepiest places on Earth
9 great road trip reads
10 great travel adventure and discovery books
10 national parks off the beaten path
15 most popular national parks
Coffee Break
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Recharge your brain with a heady brew of Encarta's best quizzes, top-10 lists, Bill Nye the Science Guy, memorable quotes, and more--all in one place! Get a double shot of brainy fun.


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