Concept

Plate tectonics

Submitted by mr46636 on Thu, 02/15/2018 - 12:46

           

Topic Gallery Science Earth and Environmental Science Concept 20th c. Europe North America Asia and Pacific Polar

The nature of fossils

Submitted by mr46636 on Thu, 02/15/2018 - 12:43

           

Topic Gallery Science Earth and Environmental Science Biology Concept 17th c. 18th c. 19th c. Europe Mediterranean World

Greenhouse effect and global warming

Submitted by mr46636 on Thu, 02/15/2018 - 12:39

           

Topic Gallery Science Earth and Environmental Science Physics Concept 19th c. 20th c. Europe North America Asia and Pacific Polar

The age of the earth

Submitted by mr46636 on Thu, 02/15/2018 - 12:34

           

Topic Gallery Science Earth and Environmental Science Physics Concept 17th c. 18th c. 19th c. 20th c. Europe North America

Phlogiston vs. oxygen theory

Submitted by mr46636 on Thu, 02/15/2018 - 12:31

           

Topic Gallery Science Chemistry Concept 17th c. 18th c. Europe

Chemical periodicity and the periodic table

Submitted by mr46636 on Thu, 02/15/2018 - 12:24

           

Topic Gallery Science Chemistry Concept 18th c. 19th c. Europe

Avogadro's number

Submitted by mr46636 on Thu, 02/15/2018 - 12:20

           

Topic Gallery Science Chemistry Concept 19th c. 20th c. Europe

The Pythagorean Theorem

Submitted by mr46636 on Fri, 01/12/2018 - 11:29

Every geometry student knows a²+b²=c², but where did this famous theorem come from? And what, if anything, does it have to do with Pythagoras?...
Topic Gallery Math Geometry Concept Ancient and Medieval Asia and Pacific Mediterranean World

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