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UC Agriculture & Natural Resources News

Not Joe the Plumber

Carpenter Bee

Plumbers, especially a plumber named "Joe," are hogging the news a lot lately. But what about the carpenters? What about the carpenter bees? The carpenter bee, a black bee larger than a bumble bee, burrows into dead trees, logs and your unpainted or unvarnished fence posts or...

Carpenter Bee
Carpenter Bee

This female carpenter bee ("Josie the Carpenter?") robs nectar from sage. Check out the huge compound eyes. (Photo by Kathy Keatley Garvey)

Posted on Thursday, October 16, 2008 at 12:30 PM
Tags: carpenter bee (24), compound eyes (1), Xylocopa (1)

Berkeley scientist comments on fire research

As firefighters begin to get the upper hand on the Southern California wildfires, the co-director of the UC Berkeley fire center had the opportunity to give Los Angeles Times readers a glimpse of research underway on this perennial threat.

Max Moritz and his colleague Alex Hall of UCLA are mapping Santa Ana wind corridors in Southern California. The Santa Anas blow when desert winds push down canyons over passes and low mountains, warming and gaining speed along the way, according to the Times article. Fires tend to rage along specific corridors. A corridor along the Santa Susanna Pass, for example, has burned 12 times since 1925 and may have burned a 13th time this week, the article said.

"It's really a striking pattern," Moritz was quoted. "Our preliminary work shows that these corridors line up well with fire history patterns, fire frequency and fire size."

Posted on Thursday, October 16, 2008 at 6:46 AM
Tags: wildfire (143)

Make My Day!

Blow fly on a daylily

"Go ahead, make my day." So said actor Clint Eastwood, as the character Harry Callahan, in the 1983 movie, Sudden Impact, after a robber grabbed a hostage. "Dirty Harry" was known for blowing away the bad guys. Clashes and confrontations often ended with blow flies on bad...

Blow fly on a daylily
Blow fly on a daylily

A green bottle fly lands on a daylily after the rain. (Photo by Kathy Keatley Garvey)

Red-eyed and metallic green
Red-eyed and metallic green

This bottle green fly is red-eyed and metallic green. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, October 15, 2008 at 8:33 AM

US congressman to learn about 4-H science

United States Congressman Dennis Cardoza (D-Merced) will see 4-H's National Science Experiment first hand when he visits "Lights On Afterschool," a community event slated for Thursday evening in downtown Merced, according to UC Cooperative Extension 4-H advisor Richard Mahacek.

Lights On Afterschool (LOA) is a national public awareness effort to promote high quality out-of-school learning opportunities to children and youth. 4-H is a national partner.

In Merced, two blocks of Main Street will be closed from 6 to 8 p.m. for LOA displays and activities. The 4-H display includes its portable 4-H Science Center and the materials for the "National Science Experiment," which was conducted by children all over the country on Oct. 8.

The experiment involves cutting into a new disposable baby diaper and separating the powdery hydrogel polymer from the other stuffing. The polymer is then combined with water to create a gooey solid. According to the National Geographic description of the 4-H experiment, adding hydrogels to the soil in the right proportions permits gardens, landscapes and farms to survive on 60 to 80 percent less water

If all goes according to plan, the congressman will spend half an hour at the 4-H display, where he will be recognized for his support of the 4-H Science, Engineering and Technology program.

For more information, see the National 4-H Council's media advisory.

An old-time 4-H science experiment.
An old-time 4-H science experiment.

Posted on Wednesday, October 15, 2008 at 6:37 AM
Tags: 4-H (84)

Our Halloween Butterfly

Fiery Skipper

Well, it's not really a Halloween butterfly, but it is orange. The Fiery Skipper (Hylephila phyleus) visits us more than the politicians do at Election Time. Last Sunday we spotted four Skippers in our backyard. Only two politicians skipped to our front door. The Fierry Skipper nectars our sage,...

Fiery Skipper
Fiery Skipper

A male Fiery Skipper (Hylephila phyleus) nectars a purple sage. (Photo by Kathy Keatley Garvey)

From the top
From the top

A male Fiery Skipper (Hylephila phyleus) spreads his wings. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, October 14, 2008 at 4:57 PM

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