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Unbridled industrialization with almost no environmental regulation has resulted in the toxic contamination of one-fifth of China's farmland, the Communist Party has acknowledged for the first time.

The report, issued by the ministries of Environmental Protection and Land and Resources, says 16.1 percent of the country's soil in general and 19.4 percent of its farmland is polluted with toxic heavy metals such as cadmium, nickel and arsenic. It was based on a soil survey of more than 2.4 million square miles of land across China, spanning a period from April 2005 until December 2013. It excluded special administrative regions Hong Kong and Macau.

In a dire assessment, the report declares: "The overall condition of the Chinese soil allows no optimism."

The Associated Press writes that the report was "previously deemed so sensitive [that] it was classified as a state secret." The official Xinhua news agency blames "irrigation by polluted water, the improper use of fertilizers and pesticides and the development of livestock breeding."

Xinhua says: "In breakdown, 11.2 percent of the country's surveyed land suffers slight pollution, while 1.1 percent is severely polluted." (Update at 12:06 p.m. ET. Earlier, we were citing numbers from The Guardian, but these figures from Chinese state media are being more widely cited.)

Most of the contaminated farm land is on the highly developed and industrialized east coast, but heavy metal pollution was especially bad in the country's southwest, according to The Guardian.

The newspaper says:

"In January, an agriculture official admitted that millions of hectares of farmland could be withdrawn from production because of severe pollution by heavy metals. And last December the vice minister of land and resources estimated that 3.3 million hectares of land is polluted, mostly in gain producing regions."

A survey of emergency contraceptives in Lima, Peru, turned up worrying results: More than a quarter were either counterfeit or defective.

Some of the morning-after pills tested contained too little of the active ingredient, or none at all. Other pills contained another drug altogether, researchers reported Friday in the journal PLOS ONE.

Swallowing these fakes can result in dangerous side effects, not to mention unwanted pregnancies.

"The biggest implication is the quality of emergency contraceptives in developing countries cannot be taken for granted," says Facundo Fernandez, a chemist at the Georgia Institute of Technology, who contributed to the study.

Shots - Health News

Poll: Americans Favor Age Restrictions On Morning-After Pill

There was really only one tech story last week — the potentially disastrous Heartbleed bug. This week, we return to more of a panoply of tech-related news, starting with NPR stories in the ICYMI section, the broader topics in the industry in The Big Conversation and fun links you shouldn't miss in Curiosities.

ICYMI

Digital Distraction Remedies: Is a backlash beginning ... in favor of the physical world? Kids, gamers and restaurant-goers are finding ways to step away from smartphones and reconnect the old-fashioned way. Laura Sydell introduced us to Ingress, a video game that gets people to connect in person. Steve Henn's daughter reminded us that in some cases, parents are too distracted by devices and ignoring their kids. And the service industry says put those phones away and just enjoy breaking bread together, in a piece I reported on Monday.

Big Conversation

Tech Earnings: The tech bubble 2.0 questions keep swirling, and stocks started tumbling even before Google reported its numbers, which were disappointing to Wall Street despite 19 percent revenue growth. Yahoo performed relatively better in the eyes of investors, thanks to its stake in Chinese e-commerce giant Alibaba, which is poised for an IPO. More companies will be releasing numbers in the next couple of weeks, so as Time notes, it will all be interesting to watch.

Heartbleed Hacker Charged: It was a vulnerability that someone skilled could exploit, and law enforcement believe they found at least one guy who did. A 19-year-old Canadian student was arrested for allegedly exploiting the Heartbleed vulnerability to steal taxpayer data from as many as 900 Canadians. And researchers say an attacker used the bug to break into a major corporation.

Curiosities

The Verge: The Inventor of Everything

This profile introduces you to Mike Cheiky, a darkside version of Elon Musk. "He is either the world's most unheralded genius, or he's criminally insane," a former colleague says of Cheiky.

Wall Street Journal: Bitcoin Creator Satoshi Nakamoto 'Unmasked'...Again?

It wasn't that long ago that Newsweek caused a tempest over its claim that a man living in LA named S. Nakamoto was the father of the digital currency. He denies it and may sue. Now, a linguistic analysis points the finger at Nick Szabo, "a well known name in cryptography circles," the Journal reports. Szabo has also denied being Nakamoto.

Engadget: 'Wearable eyes' take all the work out of having emotions

A Japanese professor has designed a high-tech version of those novelty spectables with eyes drawn on them. "The digital eyes blink when you nod or shake your head, look up when you tilt your head down and (best of all) it stays open even while you doze off ... ," the tech blog says. They're designed "to make you look friendlier and less socially awkward than you actually are."

The captain of the ferry that sank off South Korea, leaving more than 300 missing or dead, was arrested early Saturday on suspicion of negligence and abandoning people in need. Two crew members also were taken into custody, including a mate who a prosecutor said was steering in challenging waters unfamiliar to her when the accident occurred.

Prosecutors said the ferry captain, Lee Joon-seok, 68, was arrested early Saturday along helmsman Cho Joon-ki, 55, and the ship's 25-year-old third mate. Another helmsman, Park Kyung-nam, identified the mate as Park Han-kyul.

Senior prosecutor Yang Jung-jin told reporters that the third mate was steering the ship Wednesday morning as it passed through an area with lots of islands clustered close together and fast currents. Investigators said the accident came at a point where the ship had to make a turn, and prosecutor Park Jae-eok said investigators were looking at whether the third mate ordered a turn so sharp that it caused the vessel to list.

Yang said the third mate hadn't steered in the area before because another mate usually handles those duties, but she took the wheel this time because heavy fog caused a departure delay. Yang said investigators do not know whether the ship was going faster than usual.

So far 29 bodies have been recovered since Wednesday's disaster off the southern South Korea coast. More than 270 people are still missing, and most are believed to be trapped inside the 6,852-ton vessel.

Divers fighting strong currents and rain have been unable to get inside the ferry. A civilian diver saw three bodies inside the ship Saturday but was unable to break the windows, said Kwon Yong-deok, a coast guard official. Hundreds of rescuers planned dives Saturday.

The captain apologized Saturday morning as he left the Mokpo Branch of Gwangju District Court to be jailed. "I am sorry to the people of South Korea for causing a disturbance and I bow my head in apology to the families of the victims," Lee told reporters.

"I gave instructions on the route, then briefly went to the bedroom when it (the listing) happened," he said.

The captain defended his decision to wait before ordering an evacuation.

A transcript of a ship-to-shore radio exchange shows that an official at the Jeju Vessel Traffic Services Center recommended evacuation just five minutes after the Sewol's distress call. But helmsman Oh Yong-seok told The Associated Press that it took 30 minutes for the captain to give the evacuation order as the boat listed. Several survivors told the AP that they never heard any evacuation order.

"At the time, the current was very strong, temperature of the ocean water was cold, and I thought that if people left the ferry without (proper) judgment, if they were not wearing a life jacket, and even if they were, they would drift away and face many other difficulties," Lee told reporters. "The rescue boats had not arrived yet, nor were there any civilian fishing ships or other boats nearby at that time."

Lee faces five charges including negligence of duty and violation of maritime law, and the two other crew members each face three related charges, according to the Yonhap news agency.

Yang, the senior prosecutor, said earlier that Lee was not on the bridge when the ferry Sewol was passing through the tough-to-navigate area where it sank. Yang said the law requires the captain to be on the bridge at such times to help the mate.

Yang said Lee also abandoned people in need of help and rescue, saying, "The captain escaped before the passengers." Video aired by Yonhap showed Lee among the first people to reach the shore by rescue boat.

Yang said the two crew members arrested failed to reduce speed near the islands, conducted a sharp turn and failed to carry out necessary measures to save lives.

Cho, the helmsman arrested, accepted some responsibility outside court. "There was a mistake on my part as well, but the steering (gear of the ship) was unusually turned a lot," he told reporters.

Prosecutors will have 10 days to decide whether to indict the captain and crew, but can request a 10-day extension from the court.

The Sewol had left the northwestern port of Incheon on Tuesday on an overnight journey to the holiday island of Jeju in the south with 476 people aboard, including 323 students from Danwon High School in Ansan. It capsized within hours of the crew making a distress call to the shore a little before 9 a.m. Wednesday.

With only 174 known survivors and the chances of survival becoming slimmer by the hour, it is shaping up to be one of South Korea's worst disasters, made all the more heartbreaking by the likely loss of so many young people, aged 16 or 17. The 29th confirmed fatality, a woman, was recovered late Friday, the coast guard said.

The country's last major ferry disaster was in 1993, when 292 people were killed.

Only the ferry's dark blue keel jutted out over the surface on Friday, and by that night, even that had disappeared, and rescuers set two giant beige buoys to mark the area. Navy divers attached underwater air bags to the ferry to prevent it from sinking deeper, the Defense Ministry said.

Divers have pumped air into the ship to try to sustain any survivors. Three vessels with cranes arrived at the accident site to prepare to salvage the ferry, but they will not hoist the ship before getting approval from family members of those still believed inside because the lifting could endanger any survivors, said a coast guard officer, speaking on condition of anonymity, citing department rules.

Coast guard official Ko Myung-seok said 176 ships and 28 planes were being mobilized to search the area around the sunken ship Saturday, and that more than 650 civilian, government and military divers were to try to search the interior of the ship. The coast guard also said a thin layer of oil was visible near the area where the ferry sank; about two dozen vessels were summoned to contain the spill.

___

Klug reported from Seoul. Associated Press writers Hyung-jin Kim and Jung-yoon Choi in Seoul contributed to this report.

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