Science

Water flows through Conowingo Dam, a hydroelectric dam spanning the lower Susquehanna River near Conowingo, Md., on Thursday, May 16, 2019. Officials once counted on the dam to block large amounts of sediment in the Susquehanna from reaching Chesapeake Bay, the nation's largest estuary, but the reservoir behind the dam has filled with sediment far sooner than expected. (AP Photo/Steve Ruark)
July 06, 2019 - 9:24 pm
CONOWINGO, Md. (AP) — When the Conowingo Dam opened to fanfare nearly a century ago, the massive wall of concrete and steel began its job of harnessing water power in northern Maryland. It also quietly provided a side benefit: trapping sediment and silt before it could flow miles downstream and...
Read More
Visitors stand before the spacesuit worm by astronaut Neil Armstrong that was used on his Gemini VIII mission at the Armstrong Air & Space Museum, Wednesday, June 26, 2019, in Wapakoneta, Ohio. Neil Armstrong helped put Wapakoneta on the map July 20, 1969, when he became the first human to walk on the moon. The late astronaut remains larger than life in the city 60 miles (96.56 kilometers) north of Dayton, where visitors are greeted by the space base-shaped top of the space museum named for him as they exit Interstate 75. (AP Photo/John Minchillo)
July 06, 2019 - 11:15 am
WAPAKONETA, Ohio (AP) — A small Ohio city is shooting for the moon in celebrating its native son's history-making walk 50 years ago this month. The hometown of Neil Armstrong has expanded its usual weekend "summer moon festival" to 10 days of Apollo 11 commemorations . Tens of thousands of visitors...
Read More
In this June 3, 2017 photo, Dr. Joan Perry of Kinston, left, answers a question during a debate with and state Rep. Greg Murphy, a Greenville physician, in Greenville, N.C. The two Republicans are running in a special primary election to be held July 9 for North Carolina's 3rd Congressional seat. (Deborah Griffin/The Daily Reflector via AP)
July 06, 2019 - 9:53 am
CONOWINGO, Md. (AP) — When the Conowingo Dam opened to fanfare nearly a century ago, the massive wall of concrete and steel began its job harnessing water power in northern Maryland. It also quietly provided a side benefit: trapping sediment and silt before it could flow miles downstream and...
Read More
Food that fell from the shelves litters the floor of an aisle at a Walmart following an earthquake in Yucca Yalley, Calif., on Friday, July 5, 2019. (Chad Mayes via AP)
July 06, 2019 - 4:59 am
LOS ANGELES (AP) — A quake with a magnitude of 7.1 jolted much of California, cracking buildings, setting fires, breaking roads and causing several injuries while seismologists warned that large aftershocks were expected to continue for days, if not weeks. The Friday night quake — preceded by...
Read More
July 05, 2019 - 7:26 am
COPENHAGEN, Denmark (AP) — A joint Norwegian-Russian expedition will assess whether a Russian submarine that sank 30 years ago is leaking radioactive material, Norwegian authorities said Friday. The Radiation and Nuclear Safety Authority say Norwegian research vessel G.O. Sars will set off Saturday...
Read More
A tourist drinks water while walking with others at Filopappos hill as at the background is seen the ancient Acropolis hill during a hot day in Athens, on Thursday, July 4, 2019. Greece's most famous archaeological site, the Acropolis in Athens, has shut down to visitors for four hours because of hot weather in the capital. (AP Photo/Petros Giannakouris)
July 04, 2019 - 11:43 am
ATHENS, Greece (AP) — Greece's most famous archaeological site, the Acropolis in Athens, has shut down to visitors for four hours because of hot weather in the capital. The antiquities authority said the Acropolis would remain closed to visitors from 1 p.m.-5 p.m. on Thursday if temperatures in...
Read More
Mayim Bialik speaks at the AT&T's SHAPE: "The Scully Effect is Real" panel with Geena Davis and Mayim Bialik on Saturday, June 22, 2019 in Burbank, Calif. (Photo by Mark Von Holden/Invision/AP)
July 03, 2019 - 6:38 pm
LOS ANGELES (AP) — The Fourth of July often means hot dogs and hamburgers sizzling on an open fire, but Mayim Bialik is pleading with all those grill masters out there to not ignore their vegan guests. "A lot of people want more plant-based food," the actress said recently. "It doesn't have to be...
Read More
Aleksandr Kogan poses for a portrait Tuesday, July 2, 2018, in Buffalo N.Y. Kogan is at the center of the Cambridge Analytica privacy scandal says he is dropping a defamation suit against Facebook rather than endure a drawn-out legal battle he can ill afford. (AP Photo/Jeffrey T. Barnes)
July 02, 2019 - 5:29 pm
Aleksandr Kogan, the data scientist at the center of Facebook's Cambridge Analytica privacy scandal, said he is dropping a defamation lawsuit against the social network rather than engage in an expensive, drawn-out legal battle. Kogan, 33, sued the social giant in March, claiming it scapegoated him...
Read More
People take selfies inside an ancient tunnel during the opening of an ancient road at the City of David, a popular archaeological and tourist site in the Palestinian neighborhood of Silwan in east Jerusalem. The site is located on what many believe to be the ruins of the biblical King David's ancient capital and see as centerpieces of ancient Jewish civilization, but critics accuses the operators of pushing a nationalistic agenda at the expense of local Palestinian residents. (AP Photo/Tsafrir Abayov, Pool)
June 30, 2019 - 2:48 pm
JERUSALEM (AP) — American officials looked on Sunday as Israel opened a newfound Roman-era street at a divisive archaeological site in east Jerusalem, a move that deepened Palestinian animosity toward the White House's mediation efforts. U.S. Ambassador to Israel David Friedman attended the event...
Read More
FILE - In this May 9, 2016 file photo, a marine biologist holds a young lobster on Friendship Long Island, Maine. Data released for 2018 show an uptick of baby lobsters off some parts of Canada while they are dwindling off the New England coast. (AP Photo/Robert F. Bukaty, File)
June 30, 2019 - 8:29 am
PORTLAND, Maine (AP) — Baby lobsters are continuing to appear in high numbers off some parts of Canada while tailing off in New England, raising questions about what the valuable shellfish's population will look like in several years. University of Maine scientist Rick Wahle has documented trends...
Read More

Pages