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Prime record A computer search turned up the 40th Mersenne prime. It's a 6,320,430-digit behemoth that now holds the record as the largest known prime number (www.sci

Faulty randomness Researchers provided new mathematical insight into why certain random-number generators give wrong results in some computational experiments and simulations ( 20030927/mathtrek.asp).

Even larger The Goldbach conjecture--every even number larger than 2 is the sum of two prime numbers--has been verified up to 6 x [10.sup.16] ( 20031011/mathtrek.asp).

Shape superformula A new, simple equation generates a wide variety of appealing and biologically relevant shapes (www.sci

Election reversal In votes involving three or more candidates, many election procedures can produce the same result when voter preferences are reversed ( /20031018/mathtrek.asp).

Electronic paper Changeable ink and battery-powered paper could eventually make textbooks lighter and bring video newspapers into daily use ( ture1.asp).

Dinosaur growth Learning how fast dinosaurs grew may clarify their link with birds (www.sciencenewsforkids.orgy/arti cles/20031126/Feature1.asp).

Defying gravity A gecko's remarkable grip on walls and ceilings suggests new types of sticky materials ( Feature1.asp).

Victual reality Computer technology that puts kids in a cartoon classroom may help children with attention disorders learn to pay attention ( artieles/20031022/Feature1.asp).

Counting crows Animals that can count or find quick routes to a goal have taught scientists a thing or two about how to handle numbers ( Feature1.asp).

Venom delivery Poisonous snakes appear to control the amount of venom that they inject into their victims ( Feature1.asp).

Sky dust Dust raining down from space and Earth's atmosphere provides information about weather patterns, pollution, and the origin of the universe ( Feature1.asp).
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Title Annotation:Science News for Kids
Publication:Science News
Date:Dec 20, 2003
Previous Article:Food for thought.
Next Article:In neutrons and protons, quarks take wrong turns.

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