Science World articles from April 2000

Science World archives from April 2000

America the Endangered?(Earth Day 2000 focus on global warming)(Brief Article)
April 10, 2000... Science World's seventh Environmental Almanac focuses on the U.S. The issue also coincides with the 30th anniversary of Earth Day on April 22, 2000. For the first time in Earth Day's history, chairman Leonardo DiCaprio and 3,200...

Security Guard.(llama trained to protect sheep against coyote attack)(Brief Article)
April 10, 2000... What's a South American llama doing on a Montana sheep ranch? Six-year-old Cyrus is on guard duty, protecting wooly sheep from their most dreaded predator, coyotes! Rancher Becky Weed gets credit for the eco-friendly idea. Many ranchers poison...

Toads in Turmoil.(amphibians dying from fungal skin disease)(Brief Article)
April 10, 2000... Up to one third of the nation's amphibians --frogs, toads, and salamanders--have vanished in part of their native habitats, claims the U.S. Geological Survey. "Some frogs, for example, have totally disappeared from Colorado's most pristine...

SLIME ENERGY.(green algae photosynthesis hydrogen gas research)(Brief Article)
April 10, 2000... One day you may tank up your car with gas from pond scum! Plant biologist Tasios Melis at the University of California in Berkeley, hopes to perfect a process to make the green slime churn out limitless, pollution-free hydrogen gas. Pond...

Sunken City?(wetland restoration project planned for New Orleans)(Brief Article)
April 10, 2000... You may have heard of Atlantis, the fabled island that sank deep into the Atlantic Ocean, but how about the sunken city of New Orleans? Scientists predict that unless tough remedies are taken to combat local rising sea levels, you may one day...

Falcon Comeback.(Peregrine fund breeding project's success)(Brief Article)
April 10, 2000... The American peregrine falcon may be nature's most audacious sky hunter. The bird dives faster than 320 kilometers (200 miles) per hour to strike flying prey with razor-sharp talons, swooping to grab its plunging meal in midair. But by...

Short Takes.(Brief Article)
April 10, 2000... * OXYGEN, ANYONE? Want to combat the smoggy air of L.A., Dallas, or other polluted U.S. cities? Try an oxygen bar. For $1 per minute, customers can inhale healthy doses of pure [O.sub.2]. They breathe in oxygen through a nasal tube...

Can Alaska Heal?(aftermath of Exxon Valdez accident)
April 10, 2000... Eleven years after a devastating oil spill, scientist worry about Alaska's health Sailing the cold bright waters of Prince William Sound off Alaska's southern coast, you might spot a steel pylon, or marker, rising from the shallow waves...

Hanging BY A Thread.(species extinction in Hawaii may indicate worldwide trend)
April 10, 2000... Could Hawaii's vanishing species spell the end of paradise? One morning last April, deep in the Alakai swamp on the Hawaiian island of Kauai, John Sincock and Jim Jacobi heard a sound that no one may ever hear again: a flutelike oh-oh-oh....

The U.S. CENSUS Gets Under Way.(www.census.gov)(Brief Article)
April 10, 2000... Get ready for Census 2000--the largest peacetime count in U.S. history! Counting the number of people in your family or your homeroom may be easy enough. But suppose you had to count the total number of students and teachers at your...

What You Can Do.
April 10, 2000... Here are five ways to can play a role in saving the planet: 1 SPRUCE UP YOUR NEIGHBORHOOD Clean up your community by participating in this spring's Great American Cleanup[TM]. For volunteer information, check out the Keep America...

Classroom Olympians Video Contest.
April 10, 2000... You and your class can win chance to be on TV! We want to see you at the Olympic Games... Scholastic at the Olympic Games, that is! This unique television event will air weekdays after school from September 18-29 on MSNBC during the...

Everyday Technology.
April 10, 2000... Scientists and engineers produced more technological advances in the last hundred years than in all of recorded history before 1900. Airplanes In 1903 Orville Wright became the first human to fly. The plane he and his brother Wilbur...