Arcata High point guard Vanessa Holland signs letter of intent to play at Chico State

first_imgArcata >> Even before playing a collegiate game, Vanessa Holland can say she’s as familiar with the friendly confines of Lumberjack Arena as any high school player can get.She’s played in four Dick Niclai Tournament title games. She’s watched endless amounts of games as she’s grown up and gone to high school just a few minutes away.Come next season, though, Holland will be sitting in a different place come what has seemingly become her annual trip to play a game at Lumberjack Arena — the …last_img read more

Warriors: Curry’s MRI comes back negative, but when will he return?

first_imgOAKLAND — The Warriors wrapped up practice Friday afternoon in anticipation for Saturday’s game against the Brooklyn Nets with good news on Stephen Curry’s groin injury: An MRI came back negative.Here are the biggest takeaways from the session.Curry, among others, is out Saturday.While Curry’s MRI came back clean Friday, Steve Kerr offered no timetable on when the all-star guard will return from what’s been dubbed a mild to moderate strain. “It’s something we’re going to …last_img read more

Plants Generate Their Own Sunscreen

first_imgUltraviolet radiation hits plants as well as humans, but plants can’t reach for a tube of sunscreen.  Too much exposure can damage them; what do they do?  They have a sensor that turns on production of their own brand of sunscreen and spreads it on their skin automatically.    UV-B rays are the most damaging rays in sunlight.  In Science this week,1 researchers at the University of Glasgow explained how plants have a protein named UVR8 that normally comes in pairs.  UV-B rays break up the pairs; as single molecules now, UVR8 proteins link up with others named COP1.  This combination signals the nucleus to ramp up production of sunscreen.  The abstract said in jargon,Absorption of UV-B induces instant monomerization of the photoreceptor and interaction with COP1, the central regulator of light signaling.  Thereby this signaling cascade controlled by UVR8 mediates UV-B photomorphogenic responses securing plant acclimation and thus promotes survival in sunlight.”Professor Gareth Jenkins explained for University of Glasgow News, “When a plant detects UV-B light this light stimulates the synthesis of sunscreen compounds that are deposited in the outer tissues and absorb UV-B, minimizing any harmful transmittance to cells below.”  So it’s not just having UVR8 able to absorb the harmful photons – it’s also a matter of having them link up with other proteins and switch on genes – then having the gene products arrive at the proper destination to give protection quickly.    Scientists knew plants were able to protect themselves, but didn’t know what photoreceptor was sensitive to UV-B light.  “UVR8 is always present throughout a plant so it can respond immediately to sunlight,” the press release said.1.  Rizzini…Jenkins, Ulm et al, “Perception of UV-B by the Arabidopsis UVR8 Protein,” Science, 1 April 2011: Vol. 332 no. 6025 pp. 103-106, DOI: 10.1126/science.1200660.April 1 makes fools of some of us, but plants don’t fool around.  Especially foolish were the brain offerings given to Charlie in the articles.  The press release lit this stick of stinkincense: “plants rarely show signs of damage because they have evolved a way of protecting themselves from the sun’s harmful rays by making their own sunscreen and depositing it in the outer tissues of leaves.”  Would that evolutionists would evolve a way of evolving away evolutionary folly.    The paper in Science was no better: “Several families of plant photoreceptors have evolved that monitor light ranging from ultraviolet-B (UV-B) to the near infrared and allow optimal adaptation to light.”  Their last sentence lubricated the Darwinian imagination: “This raises the intriguing possibility that, together with the development of an ozone layer in the stratosphere of Earth, the evolution of terrestrial plants may be coincident with the acquisition of the UV-induced responses mediated by the UVR8 UV-B photoreceptor.”  Anything’s possible; pigs could evolve wings and fly coincident with the acquisition of big bad wolves in the neighborhood.  That’s intriguing to imagine, too.    How long must we put up with this foolishness?  It’s happening 365x24x7, not just on April Fool’s Day.  Turn off the black light and let the sun shine in, under the ozone of critical thinking.(Visited 39 times, 1 visits today)FacebookTwitterPinterestSave分享0last_img read more

Refer a Friend – Help Kids Learn about GPS

first_imgKarlaThis is Karla. She is a student at a low income elementary school in Texas and a member of the after-school technology club, Tech-Click.In 2009, Groundspeak was able to provide three GPS devices to Karla’s club through DonorsChoose.org. DonorsChoose.org is an online charity that connects teachers with donors to fulfill classroom needs.These three GPS devices allowed Karla and others in her club to learn about latitude, longitude, spatial concepts and more. Karla sent us this letter to thank us for the donation:Now, you can help others like Karla learn about GPS technology simply by telling people about geocaching. From June 1- 30, 2011, for each new member that you refer to Geocaching.com, we’ll donate $1 to DonorsChoose.org.How it works:You introduce someone new to geocaching. You can take them out on the trail with you, send them our new “tell a friend” email, write a blog or simply shout about it from the rooftops.The person that you introduced to geocaching signs up for an account (Basic or Premium) between June 1 and June 30 and fills out the “referred by” field on the account creation page. (Make sure to give them your Geocaching.com username so that they can fill out this field.)He or she logs at least one geocache between June 1 and June 30.We give US $1 to GPS-related projects on DonorsChoose.org. SharePrint RelatedGeocachers Support GPS Education through ReferralsJuly 7, 2011In “Geocaching.com Souvenirs”Geocaching.com Refer a Friend Challenge – 2012June 27, 2012In “Community”Groundspeak Weekly Newsletter – July 18, 2012July 19, 2012In “Groundspeak’s Weekly Newsletter” The more people you refer, the more money we can donate to classrooms in need, up to a total of $10,000 USD!Teach your friends about geocaching and help provide students like Karla with the tools they need to have engaging learning experiences.We will be providing regular updates on the number of referrals here on Latitude 47 and on Facebook. Thank you for helping!We also wish our brother was as nice as you.Cheers,The Groundspeak Lackeyscenter_img Share with your Friends:Morelast_img read more