The federal justice minister has asked Craigslist to pull its Canadian notices for erotic services, and is set to introduce legislation aimed at protecting children from online predators.

LiveScience.com - From the idea that our universe is one among many, to the revelation that mathematician Pythagoras didn't actually invent the Pythagorean theorem, here are eight shocking things we learned from reading physicist Stephen Hawking's new book, "The Grand Design," written with fellow physicist Leonard Mlodinow of Caltech.

Light flows around the object instead of being absorbed by it.

The finishing process for a new line of Levi's jeans will consume far less water, the company says.

One of Northern Ireland's major waterways is under attack from a highly invasive aquatic plant.

Sir David Attenborough explains the history behind fossils.

Older Americans are less healthy than their English counterparts, but they live as long or even longer than their English peers, according to a new study by researchers from the RAND Corporation and the Institute for Fiscal Studies in London.

(PhysOrg.com) -- A Cambrian sea creature, Anomalocaris Canadensis, had long been thought to be a fearsome predator of trilobites, equipped as it was with barbed feelers and an armor-plated mouth, but new research suggests it was incapable of eating adult trilobites and probably survived by dining on "mush."

If you've just become the victim of identity thieves or computer hackers, it's time to call in someone like Ali Fazeli.

Today, The Endocrine Society released a new clinical practice guideline for the nutritional and endocrine management of adults after bariatric surgery, including those with diabetes mellitus. The guideline features a series of evidence-based clinical recommendations developed by an expert task force. The guideline is published in the November 2010 issue of the Journal of Clinical Endocrinology &...

Facebook set some users to squinting by shrinking text size on pages of the world's most popular online social networking service.

(PhysOrg.com) -- The remarkable properties of graphene and Teflon have been combined in a new material by the winners of this year’s Nobel Prize for Physics.

Five years after a NASA spacecraft bombarded a comet, it will visit another one Thursday. This time, there won't be celestial fireworks.

(AP) -- Environmental groups and industry seem headed for another battle over regulation of greenhouse gases, as President Barack Obama said he will look for ways to control global warming pollution other than Congress placing a ceiling on it.

PayPal has rushed out a patch for a flaw in its iPhone application that could let hackers access accounts at the online financial transactions service, The Wall Street Journal reported Wednesday.

South Korea's Samsung Electronics launched its tablet computer in the domestic market and said it aims to sell more than a million of the Galaxy Tabs worldwide by the end of this year.

Over the course of the Earth's history, about a billion tons of rocks have been exchanged between the Earth and Mars. Scientists think it's possible that one or more of those rocks might have contained tiny microbes that successfully made the journey from one planet to the other. In 2018, they plan to test this hypothesis by searching for Earthling-like DNA under Mars' surface.

A single injection of morphine to fight persistent pain in male rats is able to strongly reduce the hormone testosterone in the brain and plasma, according to a new paper published in Molecular Pain. The study, led by Anna Maria Aloisi, M.D., of the Department of Physiology – Section of Neuroscience and Applied Physiology at the University of Siena, Italy, Sbarro Institute for Cancer Research...

A large population-based study revealed that multiple antiepileptic drugs (AEDs) used by pregnant women to control seizures may cause poor school performance in their teenagers. The research team from Karolinska University Hospital and the University of Lund in Sweden confirmed that exposure to AEDs in utero may have a negative effect on neurodevelopment. Their findings now appear online in...

Space shuttle Discovery's final launch has been delayed again, this time because of stormy weather.

The Christian Science Monitor - As tropical storm Tomas speeds toward Haiti, threatening to turn into a hurricane before it passes just west of the island Friday morning, some 1.3 million people are virtually trapped in Port-au-Prince’s flimsy tent cities.

A fresh look at the quake history of the Pacific Northwest suggests the big one may be right around the corner.

Firefighters have put out a blaze at a warehouse belonging to Research in Motion in Cambridge, Ont.