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Researchers measured the levels of pesticide byproducts in the urine of 1,139 children from across the United States. Children with above-average levels of one common byproduct had roughly twice the odds of getting a diagnosis of ADHD, according to the study, which appears in the journal Pediatrics.

Exposure to the pesticides, known as organophosphates, has been linked to behavioral and cognitive problems in children in the past, but previous studies have focused on communities of farm workers and other high-risk populations. This study is the first to examine the effects of exposure in the population at large.

Organophosphates are “designed” to have toxic effects on the nervous system, says the lead author of the study, Maryse Bouchard, Ph.D., a researcher in the department of environmental and occupational health at the University of Montreal. “That’s how they kill pests.”

The pesticides act on a set of brain chemicals closely related to those involved in ADHD, Bouchard explains, “so it seems plausible that exposure to organophosphates could be associated with ADHD-like symptoms.”

Environmental Protection Agency regulations have eliminated most residential uses for the pesticides (including lawn care and termite extermination), so the largest source of exposure for children is believed to be food, especially commercially grown produce. Adults are exposed to the pesticides as well, but young children appear to be especially sensitive to them, the researchers say.

Detectable levels of pesticides are present in a large number of fruits and vegetables sold in the U.S., according to a 2008 report from the U.S. Department of Agriculture cited in the study. In a representative sample of produce tested by the agency, 28 percent of frozen blueberries, 20 percent of celery, and 25 percent of strawberries contained traces of one type of organophosphate. Other types of organophosphates were found in 27 percent of green beans, 17 percent of peaches, and 8 percent of broccoli.

Today the Louisiana Environmental Action Network released its analysis of air monitoring test results by the Environmental Protection Agency. The EPA’s air testing data comes from Venice, a coastal community 75 miles south of New Orleans in Louisiana’s Plaquemines Parish.

The findings show that levels of airborne chemicals have far exceeded state standards and what’s considered safe for human exposure.

For instance, hydrogen sulfide has been detected at concentrations more than 100 times greater than the level known to cause physical reactions in people. Among the health effects of hydrogen sulfide exposure are eye and respiratory irritation as well as nausea, dizziness, confusion and headache.

Julian Assange, who does not have an official home base and travels every six weeks, told the Australian current affairs program Dateline that immigration officials had said his passport was going to be cancelled because it was looking worn.

However he then received a letter from the Australian Communication Minister Steven Conroy’s office stating that the recent disclosure on Wikileaks of a blacklist of websites the Australian government is preparing to ban had been referred to the Australian Federal Police (AFP).

Last year Wikileaks published a confidential list of websites that the Australian government is preparing to ban under a proposed internet filter – which in turn caused the whistleblower site to be placed on that list.

Mr Assange, 37, told The Age newspaper that half an hour after his passport was returned to him an AFP officer searched one of his bags and questioned him about a previous criminal record for computer hacking offences when he was a teenager.

The study of Swedish children is among the first to find an apparent connection between an environmental chemical and autism.

The scientists were surprised by their finding, calling it “far from conclusive.” Because their research was not designed to focus on autism, they recommend further study of larger numbers of children to see whether the link can be confirmed.

Bernard Weiss, a professor of environmental medicine at University of Rochester and a co-author of the study, said the connection between vinyl flooring and autism “turned up virtually by accident.” He called it “intriguing and baffling at the same time.”

Since January 2005, the federal Minerals Management Service conducted at least 16 fewer inspections aboard the Deepwater Horizon than it should have under the policy, a dramatic fall from the frequency of prior years, according to the agency’s records.

Under a revised statement given to the AP on Sunday, MMS officials said the last infraction aboard the rig, which blew up April 20, killing 11 and spewing millions of gallons of oil into the Gulf of Mexico, occurred in August 2003, not March 2007 as originally stated.

The inspection gaps and poor recordkeeping are the latest in a series of questions raised about the agency’s oversight of the offshore oil drilling industry. Members of Congress and President Barack Obama have criticized what they call the cozy relationship between regulators and oil companies and have vowed to reform MMS, which both regulates the industry and collects billions in royalties from it.

It was no secret that Google’s cars had already been collecting publicly broadcast SSID information (Wi-Fi network names) and MAC addresses (unique numbers for devices like Wi-Fi routers). But this techie data, which is used for location-based services such as Google Maps, didn’t include any “payload data,” or personal information sent over the network.

Or so “Big Brother” Google claimed on April 27. But yesterday the search behemoth ‘fessed up to a security gaffe of Orwellian proportions. Due to a piece of code written in 2006 by an engineer for an experimental Wi-Fi project, Google had in fact been collecting those private bits after all:

“But it’s now clear that we have been mistakenly collecting samples of payload data from open (i.e. non-password-protected) WiFi networks, even though we never used that data in any Google products,” wrote Alan Eustace, Google senior VP, engineering & research.

Wow. That’s freaky and strange. And not in a good way, either.

Google was smart to open up about the spying incident. An attempted cover-up would have proven disastrous, particularly when numerous consumer and government agencies worldwide have criticized the search company’s seemingly insatiable appetite for personal information, a quest that critics say infringes on individual privacy rights.

There’s little doubt the Wi-Fi spying incident won’t fade away quietly. In fact, the Electronic Frontiers Association (EFA) and Australia Privacy Foundation (APF) have joined forces to question potential security mishaps by Google’s Street View, according to a report by Computerworld Australia.

But there is one thing that is currently unavailable for delivery to those who live in this most can-do of metropolises. Women can not legally give birth at home in the presence of a trained and experienced midwife.

This city of more than 8 million people, with its reputation for being at the cutting-edge of modern urban living, now lacks a single midwife legally permitted to help women have a baby in their own homes. “It’s pretty shocking that in a city where you can get anything any hour of the day a person cannot give birth at home with a trained practitioner,” said Elan McAllister, president of the New York-based Choices in Childbirth.

The collapse of New York’s legal home birth midwifery services has come as a result of the closure two weeks ago of one of the most progressive hospitals in the city, St Vincent’s in Manhattan. When the bankrupt hospital shut its doors on 30 April the midwives suddenly found themselves without any backing or support.

There are 13 midwives who practise home births in New York, and under a system introduced in 1992 they are all obliged under state law to be approved by a hospital or obstetrician, on top of their professional training.

St Vincent’s was prepared to underwrite their services, but most other doctors and institutions are not, and they now find themselves without the paperwork they need to work lawfully.

Miriam Schwarzschild, one of the 13, is now in the invidious position of either abandoning her clients or operating illegally. “Apparently by taking a woman’s blood pressure I am committing an illegal act,” she said. She has no doubts about what she will do: she will stand by the six to eight women she helps in labour every month, law be damned. She said she intends to “fly under the radar”, but is anxious about what would happen should she be reported to the state authorities. “At any time a nurse or doctor could report me, and once that happens they could go after my licence and shut me down.”

Jitters are spreading among the tiny community of home birth midwives. The rumour has circulated that one of them has already been shopped to the authorities by an obstetrician at a hospital where she transferred one of her clients in need of medical attention.

The crisis of home birth in New York city is an extreme example of a pattern found across America. Fewer than 1% of babies are born at home in the US, and in New York that figure is as low as 0.48% — about 600 babies every year out of 125,000. That compares with a rate of about 30% in the Netherlands.

In much of Europe, midwives play the lead role in assisting most low-risk and healthy women to give birth, handing over to a specialist doctor or surgeon only when conditions demand. In the US, that relationship is reversed.