Science frontiers, 1946 to the present by Spangenburg, Ray; Moser, Diane; Spangenburg, Ray

By Spangenburg, Ray; Moser, Diane; Spangenburg, Ray

Discusses postwar medical breakthroughs, elevated specialization in all technological know-how, and using pcs in learn. unsolved difficulties in technological know-how and the hot questions that come up, this quantity appears to be like at technological know-how through the moment 1/2 the 20 th century and asks the query, the place is technological know-how heading within the twenty first century?

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New Views of the Solar System by Encyclopedia Britannica

By Encyclopedia Britannica

Whilst the foreign Astronomical Union lately redefined the time period 'planet'; Pluto used to be stripped of its designation because the sun system's 9th planet. New perspectives of the sunlight System appears to be like at scientists' altering views at the sunlight method, with articles on Pluto, the 8 leader planets, and dwarf planets that illustrate this 'new view'; fabulous images and drawings exhibit the planets, asteroids, comets, and extra, delivering a beautiful choice of shiny and distinct photos of the sun method.

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Stick Insects: Masters of Defense (Insect World) by Sandra Markle

By Sandra Markle

Beware of those masters of defense--stick bugs! Their mystery weapon is having the ability to disguise in simple sight. to guard themselves from predators, they've got built lengthy, slim our bodies. They combination correct in to the branches they live to tell the tale. a few stick bugs also have additional growths that appear like leaves for extra camouflage. Stick bugs additionally safeguard themselves through being such a lot lively at evening while it really is even more durable to determine them. They break out from predators by means of shedding to the wooded area flooring, the place they appear to be fallen sticks and leaves. during this fascinating booklet, you could study what makes stick bugs just like and diversified from different bugs. Close-up photos and diagrams show notable information about stick bugs' our bodies, either inside and outside. and you may practice actions that assist you detect how stick bugs dwell and the way they disguise by means of protecting nonetheless. examine extra approximately this fascinating member of nature's interesting Insect global!

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