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Science & Health

10 science stories in 2018 that made us go, “Whoa, that’s awesome”

Kids who start kindergarten young are more likely to be diagnosed with ADHD

Having kids leads to a small, but significant, increased risk of breast cancer

A comet is coming unusually close to Earth this weekend. Here’s how to watch.

Johnson & Johnson accused of hiding the asbestos in its baby powder for decades

For the first time, a major US utility has committed to 100% clean energy

Food safety detectives are zeroing in on source of romaine lettuce E. coli outbreak

Ruth Bader Ginsburg’s incredible ability to bounce back

How to get a good night’s sleep

The Geminid meteor shower — one of the best of the year — peaks Thursday and Friday

Adélie penguins poop pink guano. It’s so bright, you can see it from space.

California’s cap-and-trade system may be too weak to do its job

The Geminid meteor shower peaks Thursday night. Thank this very cool “rock comet.”

CrossFit is amassing an army of doctors trying to disrupt health care

The case for raising the alcohol tax

The “Trump effect” threatens the future of the Paris climate agreement

Trump signed a good law this week. Yes, really.

Why Trump wants to repeal an Obama-era clean water rule

Guns killed more people than car crashes in 2017

The Arctic has lost 2.6 million reindeer over the past 20 years

A woman died of a brain-eating amoeba infection. The suspect: her neti pot.

Scaling up good ideas is really, really hard — and we’re starting to figure out why

The Trump administration’s tone-deaf school lunch move

Why willpower is overrated

Greenland’s ice sheet is melting at its fastest rate in centuries

Do you burn more calories exercising in the cold? Here’s what the science says.

My advice for aspiring explainer journalists

This is what wind on Mars sounds like

California will require solar panels on all new homes. That’s not necessarily a good thing.

The most important country for the global climate no one is talking about

“Designer bugs”: how the next pandemic might come from a lab

How soon will CRISPR gene-edited babies come to the US?

Video game addiction is real, rare, and poorly understood

The World Health Organization now recognizes "gaming disorder." It’s a controversial, but some argue necessary, classification.

A big new review of the evidence finds that prescription heroin works

What humpback whales can teach us about alien languages

Why humans evolved into such good bullshitters

The mind-bendy weirdness of the number zero, explained

The problem with all the plastic that’s leaching into your food

12 million pounds of beef are recalled for possible salmonella. Check your freezer.

Why are people still living in the western US with the constant threat of climate change?