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Three of Jeopardy's most decorated champions will battle on Thursday and Friday for this year's Tournament of Champions, and they are asking fans of the show to help raise money for pancreatic cancer research.Not only has Jeopardy host Alex Trebek been fighting pancreatic cancer, Larry Martin, the 2018 Teachers' Tournament champion died from pancreatic cancer in January. Martin would have qualified for this year's Tournament of Champions had it not been for his death. In addition to raising money, the champions have also worn purple ribbons to honor Martin.Steven Grade, a Tournament of Champions semifinalist lost to James Holzhauer on Tuesday. Grade is encouraging viewers to play along on Thursday and Friday and donate every time they get an answer correct. Grade's tweet has been shared by other Jeopardy champions."Play one night, play both nights, donate an amount that is right for you, or help spread the word to Jeopardy! watchers and non-watchers alike – every little bit helps, and every little bit helps to honor Alex, Larry, and all those who are fighting and have fought pancreatic cancer," Grade wrote.The charity is the Lustgarten Foudnation for Pancreatic Cancer Research. As of Thursday afternoon, more than ,000 has been raised. The foundation said that every dollar raised will go directly to cancer research.This tournament has been an emotional one so far. During Monday's semifinal round, in Final Jeopardy, Dhruv Gaur, who was in a distant third place entering Final Jeopardy, responded "What is We <3 you Alex!"Gaur's response clearly choked up Trebek during Final Jeopardy. "That is very kind of you," Trebek said to Gaur's answer.To donate, click 1703

The results are finally in for the first chocolate chip cookie bake-off in space.While looking more or less normal, the best cookies required two hours of baking time last month up at the International Space Station. It takes far less time on Earth, under 20 minutes.And how do they taste? No one knows. Still sealed in individual baking pouches and packed in their spaceflight container, the cookies remain frozen in a Houston-area lab after splashing down two weeks ago in a SpaceX capsule. They were the first food baked in space from raw ingredients.The makers of the oven expected a difference in baking time in space, but not that big.“There’s still a lot to look into to figure out really what’s driving that difference, but definitely a cool result,” Mary Murphy, a manager for Texas-based Nanoracks, said this week. “Overall, I think it’s a pretty awesome first experiment.”Located near NASA’s Johnson Space Center, Nanoracks designed and built the small electric test oven that was launched to the space station last November. Five frozen raw cookies were already up there.Italian astronaut Luca Parmitano was the master baker in December, radioing down a description as he baked them one by one in the prototype Zero G Oven. The first cookie — in the oven for 25 minutes at 300 degrees Fahrenheit (149 degrees Celsius) — ended up seriously under-baked. He more than doubled the baking time for the next two, and the results were still so-so.The fourth cookie stayed in the oven for two hours, and finally success. “So this time, I do see some browning,” Parmitano radioed. “I can’t tell you whether it’s cooked all the way or not, but it certainly doesn’t look like cookie dough any more.”Parmitano cranked the oven up to its maximum 325 degrees F (163 degrees C) for the fifth cookie and baked it for 130 minutes. He reported more success.Additional testing is required to determine whether the three returned cookies are safe to eat.As for aroma, the astronauts could smell the cookies when they removed them from the oven, except for the first.That’s the beauty of baking in space, according to former NASA astronaut Mike Massimino. He now teaches at Columbia University and is a paid spokesman for DoubleTree by Hilton. The hotel chain provided the cookie dough, the same kind used for cookies offered to hotel guests. It’s offering one of the space-baked cookies to the Smithsonian Institution’s National Air and Space Museum for display.“The reminder of home, the connection with home, I think, can’t be overstated,” Massimino said. “From my personal experience ... food is pretty important for not just nutrition but also for morale in keeping people connected to their home and their Earth.”Eating something other than dehydrated or prepackaged food will be particularly important as astronauts head back to the moon and on to Mars.Nanoracks and Zero G Kitchen, a New York City startup that collaborated with the experiment, are considering more experiments for the orbiting oven and possibly more space appliances. What’s in orbit now are essentially food warmers.There’s an added bonus of having freshly baked cookies in space.“We made space cookies and milk for Santa this year,” NASA astronaut Christina Koch tweeted.___The Associated Press Health and Science Department receives 3315

Thursday marks Pi Day, otherwise known as 3.14, which marks the ratio of a circle's circumference to its diameter. While the average citizen can easily remember the 3.14 ratio, the exact ratio practically has an infinite amount of numbers. If you want a more precise pi ratio, it is 3.141592653589793238462643383279. How well do you think you could remember just those 30 digits? One man was able to remember the ratio of pi up to 70,000 decimal places. Rajveer Meena accomplished the feat on March 21, 2015 while wearing a blindfold. According to the Guinness Book of World Records, Meena's feat took nearly 10 hours to accomplish. According to Five-Thirty-Eight, there are now more than 22 trillion know digits to pi. According to Five-Thirty-Eight, it took a Dell computer nearly 105 days of computation to come up with the large number of digits. This is compared to just 2,000 known digits of pi in the mid-20th century. So how does one remember so many digits? Savant Daniel Tammet, who is able to remember pi's calculation to more than 20,000 digits, told David Letterman, "What I am doing is visualizing numbers." he said. "When you look at a number, you just see the numbers four and three. When I am looking at numbers, I am seeing different colors and shapes and textures. It is called 'synesthesia.' My brain is working in such a way I am looking and also experiencing color. It is two senses combined. "Having a more exact number of pi helps scientists at NASA conduct more precise experiments and calculations. Having more exact figures helps lend precision to projects such as landing rovers on Mars, sending spacecraft into deep space or tracking the movement of asteroids. To see many of the ways NASA uses pi, click 1746

Treasury Secretary Steven Mnuchin on Thursday encountered a blitz of questions from House Democrats seeking to establish a legal basis for requesting President Donald Trump's tax returns.It was the first time Trump's top finance chief, a close ally of the President, was forced to publicly address the unprecedented issue of whether he would comply with an obscure law that may require him to turn over his boss' tax returns, if a formal request is made by Massachusetts Rep. Richard Neal, the Democratic chairman of the House Ways and Means Committee.Throughout a more than two-hour hearing on Capitol Hill, Democrats asked Mnuchin to state exactly how he would handle such a request, which the secretary carefully tried to side-step, at one point, even jokingly noting, "There's a lot of interest in 6103 today" -- a reference to the tax law.Mnuchin told lawmakers he would obey the law if he receives a written request from Congress to turn over Trump's tax returns -- but also suggested that the decision to release the returns would fall to the commissioner of the Internal Revenue Service, the country's federal tax collector.Trump has refused to release his tax returns, 1190

The State Department ordered Wednesday the departure of non-emergency US government employees from Iraq amid increasing tensions with Iran and warned US citizens not to travel to the country, citing a "high risk for violence and kidnapping."The department said in a statement that employees working in the US embassy in Baghdad and the US consulate in Erbil were instructed to leave Iraq, and that "normal visa services will be temporarily suspended at both posts."It added that American Citizens Services employees who were working in the embassy in Baghdad "will continue to provide consular services to U.S. citizens in Basrah."The department said the sudden changes were because the US government's "ability to provide routine and emergency services to US citizens in Iraq is extremely limited" and that as a result, the threat of "terrorism, kidnapping, and armed conflict" aimed at Americans in the country was too great a risk.Secretary of State Mike Pompeo made an unannounced visit to Iraq last week amid escalating tensions with Iran.While there, Pompeo said he spoke to Iraqi officials "about the importance of Iraq ensuring that it's able to adequately protect Americans in their country."US officials have told CNN the US had "specific and credible" intelligence that suggested Iranian forces and proxies were planning to target US forces in locations including Iraq. That intelligence led the Pentagon to recommend a carrier strike group be moved to the region.The State Department also said Wednesday that Americans "should not travel through Iraq to Syria to engage in armed conflict" as they may face similar threats in Syria and face "legal risks" from both the US and Syria.The orders from the State Department come a day after US Central Command, which oversees US military operations in the Middle East, said in a statement that the Pentagon has increased the threat risk for US troops in Iraq and Syria."US Central Command, in coordination with Operation Inherent Resolve, has increased the force posture level for all service members assigned to OIR in Iraq and Syria. As a result, OIR is now at a high level of alert as we continue to closely monitor credible and possibly imminent threats to US forces in Iraq," US Navy Capt. Bill Urban, a spokesman for Central Command, said in a statement Tuesday.Urban's statement also pushed back against comments made earlier Tuesday by the deputy commander of the US-led military coalition against ISIS, UK Major Gen. Chris Ghika, who said "there has been no increased threat from Iranian backed forces in Iraq and Syria." 2598

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