Intermediate Word:  asperate  (a) to breathe  (b) to spray as mist  (c) to roughen  (d) to labor heavily
Difficult Word: - mouillé  (a) a petite moué  (b) a mold (e. g., footprint)  (c) a cheese-and-peas dish  (d) to soften by soaking

Biosphere Under the Glass - SpaceDaily  The $150 million Biosphere 2 first opened in 1991 as a massive closed system that would last for 100 years of testing nature, technology and human endurance. It is the world's largest experimental site and was given the mission name, Biosphere 2, in deference to the much larger Biosphere 1: the Earth itself. Two early human survival missions lasted for two years and six months respectively. Organizers have announced this month that visitors can enter the giant glass-covered pyramid for the first time. The Biosphere 2 complex occupies 3.15 acres in Oracle, Arizona-- 20 minutes north of Tucson. 
Microscope, BBC UK science strategy launched  - BBC  UK Chancellor Gordon Brown outlined his plans on Tuesday to introduce a long-term strategy for supporting science in Britain over the coming decade. Mr Brown issued proposals to assess funding needs ahead of this summer's spending review, with a 10-year investment plan as a central priority. "The Britain that succeeds in the new world will be a leader in science, skills and enterprise," he said. Researchers hope the review will lead to a major increase in funding. The government says it wants to make Britain one of the most competitive locations in the world for science, research, development and innovation.

Image: Dino-killer?

Doubt cast on dino-killer theory - MSNBC  Left:  An artist's conception shows the meteor strike thought to have caused the extinction of the dinosaurs. In a newly published study, scientists say the impact came too early to be considered the sole cause of the Cretaceous-Tertiary extinction event.  “Since the early 1990s the Chicxulub crater on Yucatan, Mexico, has been hailed as the smoking gun that proves the hypothesis that an asteroid killed the dinosaurs and caused the mass extinction of many other organisms at the Cretaceous-Tertiary (K-T) boundary 65 million years ago,” But they said a core drilled out of the middle of the crater suggests it dates back more than 300,000 years before the K-T boundary and “thus did not cause the end-Cretaceous mass extinction as commonly believed.

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