Yellowfin 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.
Mercury 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.
he 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.
Mercury 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.
University 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.
A 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 County supervisors have passed a bill that aims to stop electronic waste such as computers from being shipped overseas for recycling.
New safety guidelines have been issued for eating fish caught in San Francisco Bay, the first such update in 17 years.