A small study of casual marijuana smokers has turned up evidence of changes in the brain, a possible sign of trouble ahead, researchers say. Longer-term studies will be needed, experts caution. Greenhouse gas emissions in the United States dropped by 3.4% in 2012, federal environmental regulators say, with the decline driven by improvements in fuel efficiency and other changes. A quick candy bar may stave off more than hunger. It could prevent major fights between husbands and wives, at lease if a new study is right, because low blood sugar can make spouses touchy. A space station cargo ship will remain Earthbound for a while longer because of a rocket leak. With just over an hour remaining, the SpaceX company called off Monday's planned launch. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton, which is being delivered by FedEx.
How To Beat the Heartbleed Bug Heartbleed headlines continue as IT admins scramble for answers no one has. Early reports of stolen personal data, including 900 social insurance numbers in Canada, are starting to trickle in.
After Heartbleed, OpenSSL Calls for More Support The president of the OpenSSL Foundation says more support is needed from companies and governments that use its software so that it can better spot and fix flawed pieces of code such as Heartbleed.
Continued Drop in Global PC Shipments Slows Worldwide shipments of PCs fell during the first three months of the year, but the global slump in PC demand may be easing, with a considerable slowdown from last year's drops.
Amazon 3D Smartphone Pics Leaked E-commerce giant Amazon is reportedly set to launch a smartphone after years of development. Photos of the phone, which may feature a unique 3D interface, were leaked by tech pub BGR.
Zebra Tech Buys Motorola Enterprise for $3.45B Weeks after Lenovo bought Motorola Mobility’s assets from Google for $2.91 billion, Zebra Technologies is throwing down $3.45 billion for Motorola’s Enterprise business in an all-cash deal.
CTIA Caves, Volunteers Kill Switch Plan After bucking against the concept of a smartphone kill switch, the CTIA just announced the “Smartphone Anti-Theft Voluntary Commitment” to thwart smartphone thefts in the U.S.