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The moon is slowly shrinking over time, which is causing wrinkles in its crust and moonquakes, according to photos captured by NASA's Lunar Reconnaissance Orbiter.Unlike Earth, the moon doesn't have tectonic plates. Instead, as the moon's interior has cooled over the last several hundred million years, it has caused the surface to wrinkle as it shrinks. Unlike the flexible skin of a grape when it shrinks into a raisin, the moon's brittle crust breaks. This creates stair-step cliffs called thrust faults as part of the crust is pushed up and over another close part of the crust.There are now thousands of cliffs scattered across the moon's surface, averaging a few miles long and tens of yards high. The orbiter has taken photos of more than 3,500 of them since 2009. In 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt had to ascend one of these cliffs, the Lee-Lincoln fault scarp, by zig-zagging the lunar rover over it.Today the moon is 50 meters "skinnier" because of this process. And as it shrinks, the moon actively produces moonquakes along the faults. Researchers re-analyzed seismic data they had from the moon to compare with the images gathered by the orbiter.Data from the seismometers placed on the moon during the Apollo 11, 12, 14, 15 and 16 missions revealed 28 moonquakes recorded between 1969 and 1977. Researchers compared the location of the epicenters for those quakes with the orbiter imagery of the faults. At least eight of the quakes occurred due to activity along the faults. This rules out the possibility of asteroid impacts or rumblings from the moon's interior.This means that the Apollo seismometers recorded the moon shrinking, the researchers said. The study of Apollo seismic data and analysis of more than 12,000 of the orbiter's photos were published Monday in the journal 1841

The 2019 Nobel Prize for Medicine has been jointly awarded to William Kaelin Jr., Sir Peter Ratcliffe and Gregg Semenza for their pioneering research into how human cells respond to changing oxygen levels.Announcing the prize at the Karolinska Institute in Stockholm on Monday, the Nobel committee said that the trio's discoveries have paved the way for "promising new strategies to fight anaemia, cancer and many other diseases."The 2019 medicine laureates, the committee added, have identified molecular machinery that regulates the activity of genes in response to varying levels of oxygen.The importance of oxygen has long been established, the committee explained, but how cells adapt to changes in its levels remained unknown.Randall Johnson, prize committee member, described the trio's work as a "textbook discovery.""This is something basic biology students will be learning about when they study, at aged 12 or 13, or younger, biology and learn the fundamental ways cells work. This is a basic aspect of how a cell works and, from that standpoint alone, it's a very exciting thing."The winnersNew York-born Kaelin established his own research laboratory at the Dana-Farber Cancer Institute in Boston and became a full professor at Harvard Medical School in 2002.Semenza, also born in New York, became a full-time professor at Johns Hopkins University in 1999 and since 2003 has been the Director of the Vascular Research Program at the Johns Hopkins Institute for Cell Engineering.Ratcliffe, who was born in Lancashire, England, studied medicine at Cambridge University and established an independent research group at Oxford University, becoming a full professor in 1996. 1694

The city of Los Angeles has sued to stop the operator of The Weather Channel's mobile phone application from allegedly "covertly mining the private data of users and selling the information to third parties, including advertisers.""We're acting to stop this alleged deceit," Los Angeles City Attorney Mike Feuer said Friday 335

The Florida Bar is investigating Republican Rep. Matt Gaetz after his threatening tweet last night about President Donald Trump's former lawyer Michael Cohen.Francine Andía Walker, the group's director of communications, said the Florida Bar received a number of calls and emails regarding the tweet after it posted.According to disciplinary guidelines for the group, which is the organization of all lawyers licensed by the Supreme Court of Florida to practice law in the state, the state bar's lawyer regulation arm must determine that an allegation against a bar member "would constitute a violation of the Rules Regulating The Florida Bar" before a probe is opened.On Tuesday night, just hours ahead of Cohen's public testimony before the House Oversight Committee, Gaetz -- a Trump ally -- tweeted at Cohen, "Do your wife & father-in-law know about your girlfriends? Maybe tonight would be a good time for that chat. I wonder if she'll remain faithful when you're in prison. She's about to learn a lot..."Gaetz later deleted his tweet and issued an apology.As part of their investigation, Walker said the Florida Bar on Wednesday would send Gaetz a letter outlining the allegation against him. Gaetz will have 15 days to respond.The Daily Beast first reported the investigation Wednesday."It seems that the Florida Bar, by its rules, is required to investigate even the most frivolous of complaints," said Jillian Lane Wyant, a spokeswoman for Gaetz, when asked for a response to the investigation.A state bar investigation is not a criminal probe, and in Florida, there are further layers of investigation that the probe will go through before any potential disciplinary action is brought down by the Florida Supreme Court.Rules regulating the Florida Bar say that "a lawyer's conduct should conform to the requirements of the law, both in professional service to clients and in the lawyer's business and personal affairs. A lawyer should use the law's procedures only for legitimate purposes and not to harass or intimidate others." 2055

The National Retail Federation does surveys on this every year and time and time again, gift cards are the most requested holiday gift. But every single year, 171