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A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.The object, nicknamed 'Oumuamua, meaning "a messenger that reaches out from the distant past" in Hawaiian, was first discovered in October 2017 by the Pan-STARRS 1 telescope in Hawaii.Since its discovery, scientists have been at odds to explain its unusual features and precise origins, with researchers first calling it a comet and then an asteroid, before finally deeming it the first of its kind: a new class of "interstellar objects."Now, a new paper by researchers at the Harvard Smithsonian Center for Astrophysics raises the possibility that the elongated dark-red object, which is 10 times as long as it is wide and traveling at speeds of 196,000 mph, might have an "artificial origin.""'Oumuamua may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization," they wrote in the paper, which has been submitted to the Astrophysical Journal Letters.The theory is based on the object's "excess acceleration," or its unexpected boost in speed as it traveled through and ultimately out of our solar system in January 2018."Considering an artificial origin, one possibility is that 'Oumuamua is a light sail, floating in interstellar space as a debris from an advanced technological equipment," wrote the paper's authors, suggesting that the object could be propelled by solar radiation.The paper, written by Abraham Loeb, professor and chair of astronomy, and Shmuel Bialy, a postdoctoral scholar, at the Harvard Smithsonian Center for Astrophysics, points out that comparable light-sails already exist on earth."Light-sails with similar dimensions have been designed and constructed by our own civilization, including the IKAROS project and the Starshot Initiative. The light-sail technology might be abundantly used for transportation of cargos between planets or between stars."In the paper, the pair theorize that the object's high speed and its unusual trajectory could be the result of it no longer being operational."This would account for the various anomalies of 'Oumuamua, such as the unusual geometry inferred from its light-curve, its low thermal emission, suggesting high reflectivity, and its deviation from a Keplerian orbit without any sign of a cometary tail or spin-up torques."'Oumuamua is the first object ever seen in our solar system that is known to have originated elsewhere.At first, astronomers thought the rapidly moving faint light was a regular comet or an asteroid that had originated in our solar system.Comets, in particular, are known to speed-up due to a process known as "outgassing," in which the sun heats up the surface of the icy comet, releasing melted gas. But 'Oumuamua didn't have a "coma," the atmosphere and dust that surrounds comets as they melt.Multiple telescopes focused on the object for three nights to determine what it was before it moved out of sight. 3063

A public school administrator in Nashville has resigned following the disclosure of a secret recording where he plotted to bypass filters designed to protect children from exposure to lead in their water.Metro Nashville Public Schools (MNPS) executive director of facilities Dennis Neal, resigned Friday, according to MNPS communications director Olivia Brown. Neal had been placed on administrative leave while the district investigated.Neal's resignation came less than a week after Scripps station WTVF in Nashville?uncovered the recording from inside a meeting of schools maintenance employees.Recording Reveals Plan To 'Bypass' Lead FilterFor the past nine months, WVTF has exposed data kept secret by the district showing high lead levels in some Metro schools. Lead is a toxic metal that can cause learning and behavioral problems in children.In response, a number of schools installed special fountains that were supposed to filter out the lead. Some of them were purchased by parents themselves.But the recording revealed Neal's plan to dismantle those efforts.Listen to the audio below:"People keep wanting these bottle fillers, but they are adamant about them being filtered," Neal told his employees. "I'm saying we cannot support it.From the beginning, Neal downplayed the threat posed by lead in the schools' drinking water  -- despite results showing levels well above what pediatricians say is safe. Audio Sparks Outrage, Mayor Calls For AnswerStill, some 30 schools installed hydration stations specifically designed to filter out the lead — some of them purchased by the parents themselves.On the recording, Neal revealed: "I did ask Troy if he would have one of his guys go through the exercise of bypassing the filter just to see how that works."But those fountains are equipped with lights that show when the filters are working and when they need to be replaced.So Neal's team came up with a solution for that, too."We've got to figure out what we are going to do with these hundred, or 97, filtered ones that we have out there," Neal told his subordinates. An unidentified woman interrupted, "Bust the light out.""Huh, do what?" Neal asked."Take the light bulb out," she answered."Well, that's one thing," Neal agreed. "But we need to also probably, if we can, bypass the filter."Neal's concern was money.MNPS Spokesperson Questions Need For Filters"If we were to replace a filter, you're talking — I don't know if any of y'all have bought them  — it's something like 70 or 80 bucks," Neal said.An unidentified man responded, "."Neal said, "That's almost ,000 a year just for filters, OK, on what we have now."After disclosure of the record, Schools Director Dr. Shawn Joseph condemned the comments captured on the recording."As a parent of two Metro Schools children and as the Director of Schools, the idea that a supervisor would discuss a workaround on our water fountains knowing that this is a huge concern for many families is upsetting and unacceptable," Joseph said.Nashville Mayor David Briley also said that "obviously, if the report is true, that person shouldn't  be responsible for protecting our children from lead in their drinking water."  3312

A man who designed a fanny pack that looks like a hairy belly says he's looking for someone to help him launch it into production.London-based artist Albert Pukies said the 'dadbod' design came from his desire to actually have a dadbod. He says he was concerned with health issues so he didn't gain weight to have a larger belly.Pukies needs production partners for the product, which he is calling the "DadBag." 425

A US Postal Service employee was found fatally shot inside a truck on Interstate 30, Dallas police said.The employee was found about 2:20 a.m. Monday in a USPS box truck on the Dallas-Fort Worth Turnpike Freeway, police said in a statement.Homicide detectives and US postal inspectors responded, but police did not indicate what might have happened. The victim has not been named yet.A photo from the scene shows the truck resting beside a guard rail.On February 8, a marked Dallas police squad car was shot at about one mile from Monday's incident. The officer was not injured,?CNN affiliate KTVT reported.Police said there is no evidence to link the two shootings. 674

A van covered in conservative political bumper stickers parked nearby where a suspect was arrested in connection with a series of package bombs sent to liberal politicians and donors was taken into police custody Friday.The van was plastered with large stickers in support of President Trump. It also included a sticker of Hillary Clinton in a sniper's crosshairs and a "CNN Sucks!" sticker.Police covered the van in a tarp and drove it to a nearby facility.It's unclear if the van belongs to Cesar Sayoc, the man arrested in connection with the package bombs, though it was located in a parking lot of the same auto parts store in which Sayoc was arrested.At least 12 package bombs were sent to liberal politicians and donors this week. None of the bombs exploded and no one was injured.  807