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MONTEZUMA, Iowa (AP) -- Authorities say they are holding a suspect in the death of Iowa college student Mollie Tibbetts, and he is being held on a federal immigration detainer.An assistant director of the state Division of Criminal Investigations says Tuesday that authorities are holding a suspect.Cristihian Bahena Rivera, 24 has been charged with Tibbetts' death.Earlier Tuesday, investigators announced a body believed to be Tibbetts was found in rural Poweshiek County.RELATED: Mollie Tibbetts: Body believed to be missing University of Iowa studentTibbetts, a 20-year-old student at the University of Iowa, has been missing since July 18.The Iowa Division of Criminal Investigation says the body was found Tuesday morning in rural Poweshiek County, which includes Tibbetts' hometown of Brooklyn, Iowa.Tibbetts has been missing since July 18, when she was last seen jogging through the streets of Brooklyn.Police held a news conference at 2 p.m. Watch the conference in the player below: 1010

Neanderthals may not have been that different from us, after all.New evidence reveals that they created the world's oldest known cave paintings and even wore seashells as body ornaments. Both behaviors suggest that they thought symbolically and had an artistic sensibility like modern humans. Two studies published Thursday in the journal Science detail the latest findings."Undoubtedly it is showing that Neanderthals were thinking and behaving just like modern humans," Alistair Pike, co-author of the studies and professor of archaeological sciences at the University of Southampton, wrote in an email."We should no longer think of them as a different species, just humans in different places," he said.The new findings of symbolic thinking show that Neanderthals and modern humans were cognitively indistinguishable, the researchers said.Cave paintings and artifacts like painted seashells have long been regarded as the work of early modern humans, who were thought to have more advanced cognitive abilities than Neanderthals. Dating cave paintings can be a difficult process, and unreliable techniques never allowed for the possibility that these could be the work of Neanderthals.Until now, that is. A new technique called Uranium-Thorium dating is less destructive, is more accurate and can go back further in time than other methods. U-Th dating looks at the deposits of carbonate on top of the paint, which contain traces of uranium and thorium that indicate when those deposits formed. That allows the researchers to determine an age for what's under the deposits.The researchers applied this technique to paintings in the La Pasiega, Maltravieso and Ardales caves in Spain, which had never received "robust" dating. The paintings include red and black images of animals, dots, lines, disks and other geometric signs. There also are engravings, hand prints and hand stencils.Those hand stencils are particularly significant, and not just because they represent the hand size of a Neanderthal."A red line, a red dot or even a positive hand print could potentially be made 'accidentally,' " wrote Dirk Hoffmann, lead author of the studies and archaeologist with the Max Planck Institute for Evolutionary Anthropology, in an email."Of course, I am sure that this is not the case, since you would still need to bring [in] light and pigment, but one could argue that all you need is some pigment on your hand when you lean against a wall. A hand stencil cannot be explained like that. You have to hold your hand against the wall and the deliberately spray pigment over this. This is why we emphasize the hand stencil."The dating revealed that the cave art was created more than 64,000 years ago -- 20,000 years before modern humans appeared in what is now considered Europe.The shells were found in the Cueva de los Aviones, a sea cave in southeastern Spain. They are unique because they are perforated with holes and colored with red and yellow pigment. Others served as containers for the mineral pigments themselves. The pigments were used on the shells but could have also been used for the cave paintings and even as body paint.The deposit layer containing the shells dated to 115,000 years ago, which is even older than other shells recovered in Africa that were dated to modern humans."The standard archaeological interpretation of such finds is that they are body ornaments," Hoffmann said. "Similar finds were made in Africa or the Levant with similar age. In Africa or the Levant, these were made by modern humans, in Spain Neanderthals made them. So in terms of symbolism, early modern humans and Neanderthals were similar."The researchers are absolutely confident in their dating technique."We have spent 10 years refining the technique and have numerous quality controls," Pike said. "The dates respect the growth axis of the deposits we are dating, the oldest closest to the painting, the youngest at the surface."Once modern humans left Africa and migrated to Europe and other areas, mixing with the Neanderthals would've been inevitable. The researchers believe that the Neanderthals created this artwork on their own, without being influenced by any other population. But it's possible that they exchanged symbolism or that Neanderthals influenced the art and symbolism of modern humans. Modern humans were capable of symbolic behavior, so it "turns the who's copying who debate on its head," Pike said."The idea that culture only evolved with modern humans no longer makes sense," Pike said. Hoffmann suggested that Neanderthals now be referred to as "very close cousins" of modern humans.Is it possible that anyone else may have created the cave paintings?Pike said it is incredibly doubtful that a population of early modern humans migrated to Europe so early without any other evidence to suggest it."We cannot of course rule out that pre-Neanderthal populations made the art," Pike said. "This sounds like a project for the future."Hoffmann, Pike and their colleagues want to use their new dating technique in more caves in Spain, as well as France and Italy -- and anywhere else Neanderthals are known to lived.The findings also raise new questions for researchers."How far back does symbolic behavior go? Can it be traced to the last common ancestor of modern humans and Neanderthals? This is perhaps where we should be looking," Pike said. 5398

MILWAUKEE, Wisc. — Milwaukee County voters will be asked about legalizing marijuana this November after the County Board of Supervisors approved a referendum question on a 15-1 vote Thursday morning.The non-binding, advisory referendum on the November ballot would ask voters how they feel about approving the sale, usage and taxation of recreational marijuana.The official question, proposed by County Supervisor John F. Weishan, would ask if people approve of allowing adults 21 and older to  "engage in the personal use of marijuana, while also regulating commercial marijuana-related activities, and imposing a tax on the sale of marijuana."The measure had previously passed the committee stage on a 5-0 vote.Ten?states allow recreational marijuana usage — Washington, Oregon, California, Nevada, Colorado, Alaska, Vermont Massachusetts and Maine, a list that doesn't include Midwestern states.According to a October 2017 Gallup poll, nearly 64 percent of American's support the legalization of marijuana--up from 50 percent in 2010. In a July 2016 poll done by the Marquette University Law School, 59 percent of Wisconsin voters believed marijuana should be legalized and regulated like alcohol. In terms of profit, a big focus of the referendum, legalized marijuana is a multi-billion dollar industry and is expected to be as valuable as billion in 2025.? 1408

NATIONAL CITY, Calif. (KGTV) – A car crashed into a power pole in National City late Monday evening, killing a teen driver and leaving his female passenger trapped in the wreckage.The crash was reported at around 11 p.m. in the 2800 block of E 16th Street, according to National City police.Police believe the driver was traveling at a high rate of speed when he lost control of his Cadillac sedan and veered into a pole.The driver died at the scene, and it took responding emergency crews over an hour to pull the unconscious passenger from the wreckage. She was transported to the hospital with severe head trauma and other life-threatening injuries.The driver and passenger are believed to be in their late teens.Several people who said they were family members of the victims arrived at the scene to talk to police.No other injuries were reported and no other vehicles were involved. 895

More than two dozen people have been detained by Immigration and Customs Enforcement agents as they are investigating suspected human smuggling activity at a Phoenix home.Video taken on Tuesday around 6 p.m. showed several people handcuffed and leaning against a garage door of a residence.The 30-plus individuals have been detained on immigration administrative charges in conjunction with the investigation, ICE said in a statement. No further information was immediately available.   514