Why newspapers turn gray to yellow over time
A Dunwoody spokesperson for the Technical Association of the Pulp and Paper Industry explains newsprint color change. Mechanical pulping leaves lignin in wood fibers, causing natural yellowing when exposed to light, with exposed edges turning color first. chemical pulp is avoided due to higher cost and ink absorption issues.
MENTIONED IN THIS ARTICLE
Technical Association
Dunwoody
Why Mexican jumping beans jump explained
The seeds of spurges in Central America host the jumping bean moth larvae. Larvae bore into seeds and build a web, then vigorous strumming causes the seed to move. Caterpillars emerge through a trap door, with biologists noting the behavior is still partly mysterious and possibly a predator deterrent.
MENTIONED IN THIS ARTICLE
Central America
Muuch
Sanford Eigenbrode
University of Idaho
Eigenbrode
Biomorph probes aim to roam solar system limits
Los Alamos researchers Kurt Moore and Mark Tilden plan miniature biomorph robots with no microprocessors to survive radiation. The probes use simple nervous-like networks to adapt after damage, testing in a US firing range before sending data to a relay satellite for Earth.
MENTIONED IN THIS ARTICLE
ONDON
Kurt Moore
Mark Tilden
Los Alamos National Laboratory
New Mexico
Moore
American Geophysical Union
Earth
The
Manchester
England
Guardian
Betelgeuse to Explode? Sky Watch News from Hayden Planetarium
Astronomer Dr KL Franklin notes Betelgeuse near Orion’s northeast corner is a red supergiant star likely to become a supernova in the future. He explains the vast radiation such a explosion would emit and the potential threat to Earth, while also describing a sky map and viewing tips for Sunday evening.
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Orion
Earth
Jane Goodall's lifelong quest as chimpanzee advocate and scientist
Nanyuki Kenya profile of Jane Goodall tracing her childhood dream of Africa to becoming the world’s leading primatologist. The piece covers her work at Gombe, the discovery chimps eat meat and use tools, her PhD from Cambridge, sanctuaries across Africa, campaigns against animal cruelty, and her public influence from Mandela to schoolchildren. It notes her enduring bond with chimpanzees, the dangers facing habitats, and her ongoing lecture tours and conservation efforts.
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Nanyuki
Kenya
Jane Goodall
England
Anica
Tarzan
Edgar Rice Burroughs
Stones
Jane
Goodall
Africa
Nairobi
Louis Leakey
Tanzania
Louis
Dian Fossey
Birute Gladikas
Gombe National Park
Leakey
Unversity of
Cambridge
National Geographic
Miss Goodall
Gombe
Chicago
Nelson Mandela
Billings
Mont
Congos
Gabon
Cameroon
Tess
Sweetwaters
Chmmpanzee
Nanobi
Mount Kenya
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Sky Watch the Stars
KL Franklin
Hayden Planetarium
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Filo
Times of London
Flint
Freud
Frodo
Fifi
Associated Press
Sophie
Judy
Poco
Little Rock, Ark
Animal Rights
And
Conserva
Tion
NY Times News Se