Should NASA Be Crashing Spacecraft Into Alien Planets?More and more NASA missions are ending in explosive crashes, despite the risk of carrying life forms from Earth into alien worlds.
Rapidly Rising Mercury Levels In Yellowfin Tuna RevealedYellowfin tuna, marketed as Ahi, is already on the Natural Resources Defense Council's list as a high-mercury fish that should be eaten sparingly or avoided altogether. But results from a new study reveals those mercury levels have been rising by nearly 4 percent annually over a ten year period.
StarDate: Venus and MercuryMercury and Venus, the Sun’s closest planets, team up in the eastern sky at dawn the next few mornings. Venus is the “morning star,” so it’s an easy target. Mercury is fainter, but it’s not far to the lower left of Venus, which will help you pick it out.
StarDate: Moon and Mercuryhe skywatching weekend gets off to a ghostly start this evening with an encounter between the Moon and the planet Mercury. The Moon looks like a pale version of its full glory. And Mercury is as elusive as a ghost — a planet that’s rarely seen.
StarDate: Evening MercuryMercury has been shrink-wrapped. Observations by an orbiting spacecraft suggest that the Sun’s closest planet has probably shrunk by several miles since it was born. That’s wrinkled and stretched its surface like shrink wrapping on a basketball.
SFSU Science Building To Remain Closed After Hazardous Materials FoundUniversity officials are scrambling to relocate classes normally held in the school’s Science Building, which has been shut down because of concerns over asbestos, mercury and lead found there.
Delta Sport Fish Have Highest Mercury Concentration In StateA new survey finds that sport fish from rivers and streams in the Sacramento-San Joaquin Delta have higher levels of mercury in their systems than fish taken from anywhere else in California.
Santa Clara Passes E-Waste Restriction BillSanta Clara County supervisors have passed a bill that aims to stop electronic waste such as computers from being shipped overseas for recycling.
New Consumption Guidelines Issued For San Francisco Bay FishNew safety guidelines have been issued for eating fish caught in San Francisco Bay, the first such update in 17 years.