Southampton v West Ham is live on talkSPORT at 5.30pm on Saturday 6 February.It’s the weekly talkSPORT quiz – not too tricky, but in no way easy.Have a crack and see how you get on ahead of the latest round of fixtures and for all those fantasy Premier League managers, click here for some transfer tips.Bournemouth v Arsenal is live on talkSPORT at 1.30pm on Sunday 7 February.About | Privacy | Terms 1 Where else has Manuel Pellegrini been managing?
WARRIORS UPDATE: After drilling the Grizzlies 114-95 on Tuesday to snap a seven-game losing skid, the Warriors are looking for their first two-game winning streak … Scroll down to get insights and news updates from the Warriors’ game Wednesday night against the Mavericks.GAME ESSENTIALS: Warriors (3-12) vs. Mavericks (8-5), Wednesday at 4:30 p.m. (PT). TV: NBCS.ODDS: Mavericks -13.5. LAST REGULAR-SEASON MEETING: Mavericks beat Warriors 126-91 in Dallas on March 23, 2019.
(Visited 582 times, 1 visits today)FacebookTwitterPinterestSave分享0 A remarkable finding at the single-molecule level shows a protein can conduct a large amount of electricity.A press release from the University of Cardiff describes how researchers isolated a single protein molecule and measured the passage of a current when placed between electrodes. This could represent a fundamental property of proteins that might explain their function. Two collaborators at the university said, “The highly conducting nature of this protein was a surprise and the result raises questions about the fundamental nature of electron transfer in proteins.” Could it be that proteins operate as transistors?The team showed that the protein could carry large currents, equivalent to a human hair carrying one amp. The team also discovered that current flow could be regulated in much the same way as transistors, the tiny devices driving computers and smartphones, work but on a smaller scale: the proteins are only a quarter of the size of current silicon based transistors.The finding represents a leap forward in measurement at the nano scale. “Prior to this work, measurement of millions, if not billions of proteins was only possible, so losing crucial details of how an individual molecule functions.” The team used scanning tunneling microscopy (STM) to read the electronics of a single molecule of cytochrome b562, a protein just 5 nanometers (billions of a meter) long.While the focus of the press release was on human engineering of this conductance for nanotechnology, the discovery may elucidate how the cell’s protein machines work. PhysOrg‘s headline was, “Electronics of nature’s nano machines.” Its summary reads, “A team from the Cardiff University’s Schools of Biosciences and Physics and Astronomy have made a breakthrough in our understanding of proteins – the workhorse molecules of the cell and nature’s very own nano machines.”Details of the research have been published as a series of papers in the journals Nano Letters, ACS Nano, Small and Nanoscale, the press release indicated.While it’s premature to compare proteins to human electrical tools, it is known that electron or proton transfer is essential to some of them, such as photosynthesis, ATP synthase and other machines in the respiratory chain. What about the motor proteins dynein, kinesin, and myosin? What about the flagellar motor, mitochondrial machines and DNA transcription and translation machines? How is ATP energy transduced into proteins’ mechanical actions? This is a discovery to watch. If your own cells can be someday described as electronic machines, wouldn’t that be cool?
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Utility and regulators discuss renewable requirementsIn Arizona, a complicating issue is how Arizona Public Service will meet state requirements that a certain percentage of its electricity come from renewable sources. For this year, that’s set at 4.5%, 1.4 % of which must come from rooftop solar or other “distributed” sources, The Republic reported. The renewable requirement rises to 15% by 2025.The utility has enough solar customers now to meet requirements through 2016.The rub is a requirement in the 2006 law requiring Arizona Public Service to get renewable-energy credits (RECs) from rooftop solar in order to comply. The utility initially paid rebates to customers who installed solar and in the process acquired the RECs for their solar panels. But rebates are no longer offered, and as a result Arizona Public Service no longer gets the RECs.The utility and state regulators are currently discussing how the requirement will be met in the future. Spain struggles with the same issueThe debate over net-metering and the impact of residential PV installations isn’t limited to the U.S. In Spain, the government is cutting compensation for solar installations. Large photovoltaic plants will see the biggest reductions, up to 45% of current payments, according to the website Solar Server.A group called the National Association of Photovoltaic Energy Producers says the new policy will affect 55,000 Spanish families who invested in solar and could force some of them into bankruptcy because they borrowed heavily to make the installations.One of them, whose story appeared in The New York Times last month, mortgaged his house, his father’s house, and his workshop in order to install a PV system. He based the investment on government promises of generous rates for the energy he produced.The government about-face will cost the Spanish investor everything he has.Spain is proposing other measures, including a fee on electricity that solar producers generate and use themselves, which opponents call the “sun tax.” The number of new rooftop photovoltaic (PV) installations in the area covered by the Arizona Public Service Company is dropping, and the vice president of a California company that finances solar leases says a new monthly fee for photovoltaic systems is the culprit.According to a report in The Republic, the number of rooftop installations fell from 583 in January of last year to 280 last month.Bryan Miller, vice president for public policy and power markets for Sunrun, blamed the drop on the fee that was adopted last November and went into effect at the start of the year.“You have an industry that is in grave pain in Arizona,” he told The Republic. “It is in stark contrast with what is going on in the rest of the solar industry.”Arizona Public Service, like several other electric utilities around the country, have voiced concerns that the growing number of residential photovoltaic installations is unfairly shifting the cost of maintaining the grid to non-solar customers. Its arguments last year before state regulators that customers with PV systems weren’t paying their fair share led to the new fee.According to the website Utility Dive, state regulators agreed to impose the fee of 70 cents per kilowatt, or roughly $5 per month for an average installation, on customers who install PV systems beginning this year. But it did not affect the 20,000 customers who already had them.The fee voted in by the Arizona Corporation Commission was the first of its kind in the U.S., but the utility said it “fell well short” of what it needed, Utility Dive reported.Net-metering rules, by which utility customers sell excess power produced by their PV systems, were left unchanged. According to information posted at DSIRE, an online data base, owners of PV systems get paid the retail rate for excess electricity.
At least eight people were killed and 11 others injured, some critical, when a private bus veered off the road in Sirmaur district at Nei-Neti village on the Solan-Pulwahal road on Sunday.According to eyewitnesses, the axle broke, a tyre of the bus came out and it rolled down into a deep gorge. A large number of villagers gathered at the spot and took out six bodies with the help of big earth movers. The injured have been admitted to Solan district hospital.A woman and a child died on the way to the hospital. There were around 26 passengers in the bus, said Police SHO Balwant Singh, at the site of the accident.Six killed at Theog-Chaila roadIn another accident on Sunday forenoon, all six occupants of a car lost their lives in Kholgali on when it skidded off the road in the anterior Shimla district. The dead included two women.The victims belonged to Sunni tehsil in rural Shimla. The site of the mishap is a high accident-prone area according to locals. The cause of the accident is yet to be ascertained, said the police.Chief Minister Jai Ram Thakur has deeply mourned the deaths in two accidents and has assured all help to the injured. He has also expressed grief on the death of Gulab Singh, a PWD employee who was earlier injured in the recent Kasauli shooting following a demolition drive. Gulab died on Sunday morning in PGI Chandigarh. The Chief Minister had gone to visit him at the hospital a few days back.
Lacson backs proposal to elect president and vice president in tandem The NBA says Ibaka drew the stiffer penalty for several reasons. The league found he was the instigator and threw a punch at Chriss. The league also cited his history of fighting during games. Chriss’ suspension was for throwing a punch at Ibaka.The suspensions are without pay. Ibaka will lose about $448,000 and Chriss about $22,000.FEATURED STORIESSPORTSPrivate companies step in to help SEA Games hostingSPORTSUrgent reply from Philippine football chiefSPORTSPalace wants Cayetano’s PHISGOC Foundation probed over corruption charges LATEST STORIES P2.5 B shabu seized in Makati sting, Chinese national nabbed View comments 1 dead, 3 injured in Quezon road crash Trump campaign, GOP groups attack Google’s new ad policy Private companies step in to help SEA Games hosting Cristiano Ronaldo nets hat trick to send Juventus into Champions League quarters Urgent reply from Philippine football chief MOST READ SEA Games hosting troubles anger Duterte Sports Related Videospowered by AdSparcRead Next Don’t miss out on the latest news and information. Hong Kong tunnel reopens, campus siege nears end PH underwater hockey team aims to make waves in SEA Games PLAY LIST 02:42PH underwater hockey team aims to make waves in SEA Games01:44Philippines marks anniversary of massacre with calls for justice01:19Fire erupts in Barangay Tatalon in Quezon City01:07Trump talks impeachment while meeting NCAA athletes02:49World-class track facilities installed at NCC for SEA Games02:11Trump awards medals to Jon Voight, Alison Krauss NEW YORK — The NBA has suspended Toronto’s Serge Ibaka for three games and Cleveland’s Marquese Chriss for one game for their involvement in an on-court fight.Chriss will sit out Cleveland’s game Tuesday in Philadelphia. Ibaka will miss Toronto’s games against the Los Angeles Lakers on Thursday, at Detroit on Sunday and against New York on Monday.ADVERTISEMENT