Ancient document validates new dating technique
Berkeley researchers confirm argon-argon dating accuracy by matching Pliny the Younger's 79 A.D. eruption date within five percent using pumice from Pompeii. The method, counting argon-40 and argon-39, promises ages from 4.4 million years to up to billions for rocks and artifacts including moon rocks and fossils.
MENTIONED IN THIS ARTICLE
San Francisco
Gaius Plinius Secundus
Pliny the Younger
Vesuvius
Tacitus
Pliny the Elder
Pompeii
Herculaneum
Paul Renne
Berkeley Geochronolgy Center
Science
Renne
University of Naples
Berkeley
Ethiopia
Lucy
Berkeley Center
Yucatan Peninsula
Apollo
Earth
Private asteroid mining push eyes Earthbound gold
Colorado businessman James Benson of SpaceDev leads a team planning the Near Earth Asteroid Prospector NEAP to launch and land a private spacecraft on an asteroid by 1999. The aim is to gather data, stake a space mining claim and explore robotic mining in space with potential returns of billions in minerals.
MENTIONED IN THIS ARTICLE
Washington
Colorado
Earth
James Benson
SpaceDev
Benson
NASA
NEAP
Mars Sojourner
Eros
Why Life Savers Spark In The Dark
The article explains wintergreen Life Savers spark when chewed due to methyl salicylate in the oil and energy released from cracking sugar crystals. Spokesman John Barrows notes sparks depend on darkness and moisture levels, which can absorb the energy.
MENTIONED IN THIS ARTICLE
John Barrows
Nabisco, Inc
Barrows
Insect Quartet Sings Night Air Through September
A Albany Times Union feature on late summer nocturnal insects led by katydids crickets and grasshoppers. Entomologists explain stridulation peak timing short lifespans and how sounds shape folklore and culture. Researchers note cats respond to cricket chirps and reference classic works celebrating rural insect music.
MENTIONED IN THIS ARTICLE
Leany
Carolyn Klass
Cornell University
Klass
China
Japan
Tim McCabe
New York State Museum
McCabe
Ron Hoy
Hoy
Tufts University
Thomas Walker
University of Florida
Joseph Sarfah
State University At Albany
Ghana
Sarfah
United States
Paul Fleischman
Newbury
Annie Ingle
Sky event foretells occultation of Saturn by Moon
Dr. K L Franklin notes a twilight sky on Sunday August 17 showing the Moon near Saturn in Pisces. The Moon may occult Saturn with a prolonged reappearance, best viewed with telescope or binoculars, map adjusted for 11 30 pm. Observers in suitable locations can expect a dramatic sky display.
MENTIONED IN THIS ARTICLE
Sky Watch the
Saturn
K L. Franklin
Hayden Planetarium
Also Mentioned on This Page
Orsun
Villa of the Mysteries
Gaspra
Galileo
Scripps Howard News Service
Herald-Journal News Service
By Darryl Campagna
Albany Times Union
Annie Ingles
the Bunnies
Katy Bratury
Iouth
NY. Torre
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