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Students are demanding change after the deadly Florida High School shooting.On Monday, a group of teens from Maryland held a lie-in near the White House to stand with the victims of last week's mass shooting.The group, called Teens for Gun Reform, held the lie-in at 12:15 p.m. between the White House and Lafayette Park. Demonstrators lied on the ground for three minutes to symbolize how long it took the suspected gunman to buy the AR 15 rifle used in the attack.Many students who survived the shooting are now speaking out against gun violence. They are calling for a nationwide student and teacher walkout on March 14 to demand tougher gun laws. There are also talks of an anti-gun violence demonstration in Washington, D.C. and other cities across the country on March 24."My message for the people in office is you're either with us or against us. We are losing our lives while the adults are playing around," said Cameron Kasky, a Marjory Stoneman Douglas high student who survived last week's shooting.  1050

The ability to regrow their tails has been a documented and life-saving skill of small reptiles like lizards and geckos. Now, researchers say they have details of larger reptiles, alligators, regrowing their tail.A team of scientists from Arizona State University and the Louisiana Department of Wildlife and Fisheries were surprised to discover the alligators have the ability to regrow their tails up to 9 inches. Their report was recently published in Scientific Reports.“Overall, this study of wild-caught, juvenile American alligator tails identifies a distinct pattern of wound repair in mammals while exhibiting features in common with regeneration in lepidosaurs and amphibia,” the researchers concluded.The wild-caught alligators most likely lost their tails by traumatic injury, the scientists stated. The team also had samples of regrown tails from alligators who had died."The regrown skeleton was surrounded by connective tissue and skin but lacked any skeletal muscle (which lizard tails do regenerate with)," Kenro Kusumi, co-senior study author and professor and director of ASU's School of Life Sciences and associate dean in the College of Liberal Arts and Sciences, told CNN.Even without muscles, a regrown tail is important for alligators’ survival.The team hopes their research will help scientists working on regenerative therapies in humans. Although humans are incapable of regrowing a limb, researchers said we have the same cells and pathways that alligators and other animals use for regeneration. 1532

Synthetic weed tainted with rat poison has made its way to Milwaukee and it’s been linked to at least three illnesses in the city in 24 hours. Dr. Jon Meiman with the state health department says the effects of the fake drug can be “unpredictable,” with side effects ranging from nausea to seizures and even death. "The synthetic cannabinoids that we're seeing here are causing severe bleeding, and that's very unusual,” Meiman said. The synthetic pot can be found at gas stations and other convenience stores sold under names like K2 or Spice. The drug is meant to minim the effects of marijuana but can be far more dangerous. "They work on the same parts of the brain that marijuana does, but they can have very different effects depending on the specific chemicals," Meiman said. The health department says it’s sent two people to the hospital in Milwaukee. In nearby Chicago, the poison-laced product is linked to three deaths. Health officials are trying to trace the source of the rat poison-synthetic pot.  1061

TERRE HAUTE (AP) — The U.S. government has put the first Black inmate to death since the Trump administration this year resumed federal executions after a nearly two-decade pause. Christopher Vialva, 40, was pronounced dead shortly before 7 p.m. EDT Thursday. He was convicted and sentenced to death in the slaying of a religious couple visiting Texas from Iowa when Vialva was 19. Vialva was the seventh federal execution since July and the second this week. Five of the first six were white, a move critics argue was a political calculation to avoid uproar. The sixth was Navajo. Vialva's lawyer, Susan Otto, has said race played a role in landing her client on death row in the 1999 killings of Todd and Stacie Bagley, who were white.A U.S. Department of Justice spokesperson issued the following statement on the execution: 835

Synthetic weed tainted with rat poison has made its way to Milwaukee and it’s been linked to at least three illnesses in the city in 24 hours. Dr. Jon Meiman with the state health department says the effects of the fake drug can be “unpredictable,” with side effects ranging from nausea to seizures and even death. "The synthetic cannabinoids that we're seeing here are causing severe bleeding, and that's very unusual,” Meiman said. The synthetic pot can be found at gas stations and other convenience stores sold under names like K2 or Spice. The drug is meant to minim the effects of marijuana but can be far more dangerous. "They work on the same parts of the brain that marijuana does, but they can have very different effects depending on the specific chemicals," Meiman said. The health department says it’s sent two people to the hospital in Milwaukee. In nearby Chicago, the poison-laced product is linked to three deaths. Health officials are trying to trace the source of the rat poison-synthetic pot.  1061