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Reuters – Bitter cold gripped most of the nation on Saturday, with wind chills pushing the mercury to its lowest temperatures of the winter so far, forecasters said.

AP – A Japanese rocket carrying supplies for the International Space Station successfully lifted off from a remote island Saturday on a mission designed to help fill a hole left by the retirement of NASA’s space shuttle program.

AP – An Arctic blast of air from Canada will bring some of the coldest temperatures of the Winter to the Northeast on Saturday and keep residents of the upper Midwest huddled indoors for warmth.

AFP – A Japanese rocket successfully took an unmanned cargo transporter to the International Space Station into orbit, according to Japan’s space agency.

HealthDay – FRIDAY, Jan. 21 (HealthDay News) — HEPA filters may help lower
the risk of cardiovascular disease caused by exposure to indoor air
pollution, a new study suggests.

HealthDay – FRIDAY, Jan. 21 (HealthDay News) — HEPA filters may help lower
the risk of cardiovascular disease caused by exposure to indoor air
pollution, a new study suggests.

AP – Forensic testing of a key piece of evidence in the Gulf oil spill investigation could take twice as long as expected.

AFP – Ernest McCulloch, a Canadian researcher who was part of a team that first proved the existence of stem cells more than five decades ago died this week at the age of 84, his colleagues said Friday.

AP – Nearly two-thirds of cars on the road could have more corn-based ethanol in their fuel tanks under an Environmental Protection Agency decision Friday.

ContributorNetwork – Having conducted a successful launch, orbit, and recovery of an unmanned version of its Dragon spacecraft, SpaceX has proposed to NASA that it proceed with the development of a manned version to carry astronauts to and from ISS.