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Welcome, welcome to Cool Stuff Ride Home, Marcus Path, along with Reggie Rizzou. On today's episode,

scientists say, drink more tap water.

It's better for you than its store-bought bottled counterpart. And Mars soil may be hiding the

planet's ancient atmosphere in plain sight, and it could one day be used as rocket fuel. We've got the

details. Plus, on this day in history, Bullseye.

America wins what becomes the Litch Cup, the oldest trophy in shooting competition on the final

shot over the heavily favored Irish. All right, I'll give up my 1940-style radio broadcaster.

Let's all come it up on cool stuff. Well, turning to the team at BBC Science Focus this morning, and author Alex Hughes,

when it comes to getting your daily fill of water, the safest option is often thought to be

the store-bought bottled variety. Well, new research suggests that's not actually the case.

In fact, tap water could actually be the much safer option of the two in most areas of the

world. This, according to a commentary published in the journal BMJ Global Health. According to researchers

from Wild Cornell Medicine in Qatar, bottled water in the U.S. is often not subject to the same

rigorous quality and safety checks as tap water,

meaning it can carry more harmful chemicals leaching in from the plastic bottles.

While acknowledging there's a wide disparity in the percentages here,

it's estimated that between 10 and 78% of bottled water samples contain contaminants,

...