7/28/2003:
Intermediate Word: somatic - (a) relating to pleasure (b)
(c) (d) pertaining to the body
Difficult
Word: - helicobacter
pylori
- (d) spirochete that
attacks the spleen (b) pathogen that sours milk (c) malt
fermentation bacterium
(d) bacteria that can cause stomach ulcers
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Study Finds Dark Matter Is For SuperWIMPs - SpaceDaily Left: Most of the universe is darkmatter but in what form remains largely a mystery (illustration only). These particles, called superweakly interacting massive particles, or superWIMPs, may constitute the invisible matter that makes up as much as one-quarter of the universe's mass. UCI physicists Jonathan Feng, Arvind Rajaraman and Fumihiro Takayama report that these new superWIMPs have radically different properties from weakly interacting massive particles (WIMPs), which many researchers have long looked to as the leading dark matter candidate. The study was posted July 3 on the online version of Physical Review Letters. |
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London gets hydrogen buses - BBC Left: London is one of 10 cities which will trial the bus. London is to take part in an environmental pilot scheme which will use emission-free buses costing £1m each. Transport for London (TfL) is due to take delivery of the three hydrogen-powered vehicles later this year. They will come into service by the beginning of 2004, despite planning permission for a refuelling station being turned down. London is one of 10 cities across Europe that is involved in the Clean Urban Transport for Europe (Cute) project, which will trial the new buses over the next two years. |
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Heavy Metals Stars Tend To Harbor Planets - SpaceDaily Left: The percentage of stars that have planets rises with iron abundance. In all, 754 stars were grouped according to their iron content relative to the sun. The number above each bar indicates the number of planetary systems in each group. Credit: Debra Fischer, UC Berkeley/Jeff Valenti, STScI A comparison of 754 nearby stars like our sun - some with planets and some without - shows definitively that the more iron and other metals there are in a star, the greater the chance it has a companion planet. "We now know that stars which are abundant in heavy metals are five times more likely to harbor orbiting planets than are stars deficient in metals. If you look at the metal-rich stars, 20 percent have planets. That's stunning." |
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