Science

FILE - In this May 4, 2018, file photo, attendees walk by a display of AR-15's and AR-10's at the National Rifle Association convention in Dallas. Gun-control advocates push for tougher laws, including universal background checks to prohibiting the sale and possession of AR-style long guns. NRA and many Republican leaders insist the root of the problem is not guns but a range of issues such as mental health, school security, video games and excessive prescriptions of attention-deficit disorder drugs such as Ritalin. (AP Photo/Sue Ogrocki, File)
May 23, 2018 - 6:55 pm
In the aftermath of recent school shootings, a familiar pattern has played out in the debate over guns. Gun-control advocates push for tougher laws, including universal background checks to prohibiting the sale and possession of AR-style long guns. The National Rifle Association and many Republican...
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In this photo taken Thursday, May 3, 2018, in Mt. Vernon, Ky., Travis Brenda, a teacher at Rockcastle County High School, speaks during an interview. Brenda, a Republican running for the state House of Representatives, is challenging Jonathan Shell, a key member of the Republican leadership team that has orchestrated the teacher pension bill, the tax increases and the charter school bill. (AP Photo/Wade Payne)
May 23, 2018 - 5:41 pm
FRANKFORT, Ky. (AP) — Teachers across the country have left their classrooms this spring to protest at state capitols, closing schools to win pay raises and better funding in mostly Republican-controlled states. But their most disruptive act yet may well have come Tuesday night in Kentucky, where a...
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In this photo taken Thursday, May 3, 2018, in Mt. Vernon, Ky., Travis Brenda, a teacher at Rockcastle County High School, speaks during an interview. Brenda, a Republican running for the state House of Representatives, is challenging Jonathan Shell, a key member of the Republican leadership team that has orchestrated the teacher pension bill, the tax increases and the charter school bill. (AP Photo/Wade Payne)
May 23, 2018 - 10:06 am
LANCASTER, Ky. (AP) — A Kentucky teacher has taken a leading politician to school, defeating him in the GOP primary. Following weeks of protests at the state Capitol, Republican voters in central Kentucky ousted House Majority Floor Leader Jonathan Shell on Tuesday in favor of Travis Brenda, a high...
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In this photo taken Thursday, May 3, 2018, in Mt. Vernon, Ky., Travis Brenda, a teacher at Rockcastle County High School, speaks during an interview. Brenda, a Republican running for the state House of Representatives, is challenging Jonathan Shell, a key member of the Republican leadership team that has orchestrated the teacher pension bill, the tax increases and the charter school bill. (AP Photo/Wade Payne)
May 22, 2018 - 9:44 pm
LANCASTER, Ky. (AP) — A high school math teacher ousted the majority leader of the Kentucky House of Representatives on Tuesday, with a narrow win in the GOP primary race. Travis Brenda credited a groundswell of teacher support for the win and said it sends a message that teachers and public...
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May 20, 2018 - 2:42 pm
DUBAI, United Arab Emirates (AP) — The United Arab Emirates, home to financial hubs Abu Dhabi and Dubai, is loosening its residency laws and will grant long-term visas for up to 10 years to investors and highly-skilled professionals. The 10-year residency visas will be granted to specialists in...
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In this March 21, 2018 photo provided by Volvo Ocean Race, Frederico de Melo deploys a scientific drifter to test the water for evidence of pollution in the Pacific Ocean from aboard the vessel "Turn the Tide on Plastic," during the race leg from New Zealand to Brazil. For the sailors, teams, organizers and sponsors, the Volvo Ocean Race is part of a larger race against time, a mission to curb the use of products that litter the ocean and befoul the air. (Sam Greenfield/Volvo Ocean Race via AP)
May 18, 2018 - 2:41 am
NEWPORT, R.I. (AP) — Between the kitesurfing and the paddling and the three times sailing around the world in the Volvo Ocean Race, Liz Wardley figures she spends more time on the water than on land. And she's worried about what she sees. Plastic bottles floating by. Food wrappers. Fishing nets...
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Tulane University professor Dr. Cynthia Ebinger holds ground penetrating radar equipment being used on a piece of land that may hold a mass grave from a Reconstruction-era racial massacre in Thibodaux, La., Thursday, May 17, 2018. The results could indicate whether digging would likely turn up a mass grave where white mobs are said to have dumped the bodies of African-Americans they killed in 1887. (AP Photo/Gerald Herbert)
May 17, 2018 - 5:51 pm
NEW ORLEANS (AP) — Researchers searching for a possible mass grave from a racial massacre in 1887 said they picked up signals Thursday of disturbed earth at a south Louisiana site, but they cautioned they don't know yet what ground-penetrating radar detected. The signals were detected Thursday, the...
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With members of the National Guard in the foreground, volcanic gases rise from active fissures near Pahoa, Hawaii on Tuesday, May 15, 2018. Most of the nearby Hawaii Volcanoes National Park remains closed to visitors due to ongoing seismic activity and the possibility of an explosion at the summit. (AP Photo/Caleb Jones)
May 16, 2018 - 5:09 am
HONOLULU (AP) — Patricia Deter moved from Oregon to Hawaii to be closer to her two daughters, but the Kilauea volcano burned down her home only a month after she bought it. Now Deter and others who have recently lost homes to the lava-spewing mountain are on an urgent quest for answers about...
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FILE - In this Nov. 2, 2017 file photo, musician Sam Smith poses for a portrait in New York to promote his album, "The Thrill of It All." A study of hundreds of thousands of popular songs over the last three decades has found a downward sonic trend in happiness and an increase in sadness. Some songs with a low happiness index in 2014 include “Stay With Me” by Smith. (Photo by Victoria Will/Invision/AP, File)
May 15, 2018 - 7:58 pm
NEW YORK (AP) — A study of hundreds of thousands of popular songs over the past three decades has found a downward sonic trend in happiness and an increase in sadness, as the chirpy band Wham! gave way to the moody Sam Smith. For the report in the journal Royal Society Open Science, researchers at...
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May 14, 2018 - 9:53 am
PORTLAND, Maine (AP) — In a story May 13 about lobster shell strength, The Associated Press reported erroneously that marine biogeochemist Justin Ries attributed the collapse of the southern New England lobster fishery to shell disease. He attributed it to overfishing and population shifts caused...
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