Gisele Grayson

Big, important scientific breakthroughs are built of small, incremental experiments. And the partial government shutdown is already interfering with some of that research.

Scientists often depend on the government for grant funding, expertise and — in some cases — even regulatory approval. With the shutdown, some researchers are missing those key elements of scientific collaboration. Here's how some scientists say the shutdown is affecting their work.

This year's severe flu season is still pummeling the country from coast to coast. The respiratory illness appears to be unusually bad for baby boomers, federal health officials reported Friday.

While the flu appears to have started to ebb in some parts of the country, such as California, flu activity has remained widespread in 49 states for three weeks in a row. And that's unusual.

Maybe you got one of those find-your-ancestry kits over the holidays. You've sent off your awkwardly-collected saliva sample, and you're awaiting your results. If your experience is anything like that of me and my mom, you may find surprises — not the dramatic "switched at birth" kind, but results that are really different from what you expected.

Can a puppy video get you to buy health insurance through the Affordable Care Act exchanges? Florida Blue, a major insurer in that state, hopes the answer is yes.

Updated at 8:15 p.m. ET

The Republican's seven year quest to repeal and replace the Affordable Care Act descended into chaos Thursday night as the Senate prepared for an unwieldy, all-night session.

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