A US student spent almost three days trapped inside a cave after he was left behind on a university field trip. Lukas Cavar, 19, was visiting the Sullivan Cave in southern Indiana with the Indiana University Caving Club on Sunday. He was separated from the rest of the group who then left without him, locking the gated entrance.

What beliefs disqualify someone from working as a cop? A Philadelphia officer with a tattoo strikingly similar to a Nazi symbol shows how free speech is being put to the test in police departments.

A powerful 6.2-magnitude earthquake has hit Mexico City, a Mexican monitoring body has said, and there are reports from witnesses of buildings shaking. It wasn't immediately clear if the trembler, which was centred in the southern state of Oaxaca, had caused any damages or injury. "I was frightened because I thought, not again!" Alejandra Castellanos, who was on the second floor in a central neighbourhood of the city, told the Associated Press. Ms Castellanos ran down the stairs and to the street with her husband as soon as she felt hte earthquake.

A remarkably preserved 49,000-year-old skeleton shows that Neanderthal kids may have grown slowly, like us

President Donald Trump tweeted Saturday morning that the Golden State Warriors are not welcome at the White House to celebrate their 2017 NBA championship.

Accounting professor Reb Beatty says a student outwitted him Tuesday by bringing a 3x5 foot cheat sheet in for a test. Beatty ruefully notes on Facebook that he had failed to specify inches when he told students they could have a 3x5 notecard.

Did you ever wonder why new medications so often debut right after awareness of the condition they treat increases? It is no coincidence. The tactic is called unbranded advertising and “disease awareness” and drug companies spend more on it than they do for regular advertising.

The assumption by regulators around the world that it is safe to use pesticides at industrial scales across landscapes is false, according to a chief scientific adviser to the UK government. The lack of any limit on the total amount of pesticides used and the virtual absence of monitoring of their effects in the environment means it can take years for the impacts to become apparent, say Prof Ian Boyd and his colleague Alice Milner in a new article.

Today, the Washington DC Court of Appeals overturned a Superior Court conviction of a man who was located by police using a cell-site simulator, or Stingray, CBS News reports. The court ruled that the defendant's Fourth Amendment rights were violated when law enforcement tracked down the suspect using his own cell phone without a warrant.

A failing dam is causing "extremely dangerous" flooding on a Puerto Rico river in the wake of Hurricane Maria, authorities say. The National Weather Service (NWS) said the "imminent failure" of the Guajataca Dam is a "life-threatening situation". More than 70,000 people live in the nearby areas of Isabela and Quebradillas.

The rapid spread of "super malaria" in South East Asia is an alarming global threat, scientists are warning. This dangerous form of the malaria parasite cannot be killed with the main anti-malaria drugs. It emerged in Cambodia but has since spread through parts of Thailand, Laos and has arrived in southern Vietnam.

It Zucks! By John Lanchester.

Russian whistleblower Grigory Rodchenkov, who helped orchestrate the country's state-sponsored Olympic doping programme, says he fled his homeland because he feared for his life and his family's safety. "Two days before I fled, a friend within the government warned me that Russia was planning my 'suicide'. I thought that my family might be safer with me gone and, if I were to die, at least I would get to tell the truth to the world first," said Rodchenkov, the former director of Russia's anti-doping lab that oversaw drug testing at the 2014 Sochi Olympics.

China on Saturday imposed a limit on the supplies of petroleum products to North Korea and imports of textiles from the country under U.N. sanctions over its nuclear and missile development. The Chinese Commerce Ministry said it would ban exports of condensate and liquefied natural gas to North Korea and limit textile imports from the North, starting 12 a.m. Saturday.

Portugal treats addiction as a disease, not a crime.

he founding of the United Nations was a historic moment that saw leaders from across the planet join together to commit to a more peaceful world. But most historians don’t remember the Jedi master Yoda being among them. The Saudi government is scrambling to withdraw a history textbook that accidentally included a doctored photograph of King Faisal sitting next to the little green Star Wars character.

Thousands of villagers on the Indonesian resort island of Bali huddled Saturday in temporary shelters, sports centers and with relatives, fearing Mount Agung will erupt for the first time in more than half a century. Authorities raised the volcano's alert status to the highest level Friday following a "tremendous increase" in seismic activity. Its last eruption in 1963 killed 1,100 people.

Sen. John McCain of Arizona, the Republican who delivered the final blow to the previous attempt to overhaul the US healthcare system, may have done the same when he came out against the GOP's latest healthcare legislation on Friday afternoon.

Seismic activity was detected Saturday near the site of North Korea's Punggye-ri nuclear site, but it is not known whether a nuclear test caused the development. The first sign Pyongyang has conducted a nuclear test is usually seismic activity. North Korea has one nuclear test site -- Punggye-ri.

There are no national elections for president in the United States. Democrats relearned that lesson the hard way in 2016, when President Trump won the Electoral…