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DK Science & Technology: Genetic Engineering

WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…

DK Earth: Earth Sciences

WHY IS EARTH SCIENCE USEFUL? HOW DO EARTH SCIENTISTS WORK? GEOLOGY FIND OUT MORE Earth science is the study of our planet’s physical characteristics, from earthquakes to raindrops, and…

Chemistry: The Modern Atom

The Modern AtomChemistryThe Modern AtomBohr: What Is It Good For?Spectroscopy: Reading Between the LinesA Quantum Leap into Quantum Mechanics We saw how many of the great minds in science…

secession, in political science

(Encyclopedia) secession, in political science, formal withdrawal from an association by a group discontented with the actions or decisions of that association. The term is generally used to refer to…

Roundup of Recent Science Discoveries, 1997

Was Three Company? Past evidence uncovered in Israel and France has shown that Neanderthals lived on Earth at the same time as modern Homo sapiens. Neanderthals were found to have lived about 34,…

Roundup of Recent Science Discoveries, 1998

Prehistoric Eggs The earliest fossil animal embryos, dating from the Precambrian era, were found by American, Taiwanese, and Chinese scientists in phosphate deposits in China's Guizhou province.…

Roundup of Recent Science Discoveries, 1999

Ancestor of Mammals Discovered The fossil skull of a 260-million-year-old sheep-sized animal was found near Williston on the Northern Cape, South Africa. It is the most primitive member yet…

2007 Intel Science Talent Search Winners

First Place: $100,000 scholarship, Mary Masterman, 17, Oklahoma City, for developing an accurate spectrograph that identifies the specific characteristics-or "…

The Science of SpongeBob

Important questions about life in his benthic community by Holly Hartman More on SpongeBob SpongeBob FactsQuiz: SpongeBob SquarePants Other Cool Stuff Sea LifeSpongesFantastic Animal…