Want something special for your guy this Valentine's Day?

Put the man back in romance with a fun and flirty gift from mancrates.com.

Mancrates.com has hundreds of totally unique gifts he'll truly love,

like the whiskey appreciation crate with a personalized decanter,

matching tumblers, ice sphere molds, and more.

Mancrates.com packs his gift in unforgettable experiences,

like sealed crates he gets to open with a crowbar,

or a heart shaped box of delicious jerky, like whiskey maple,

or root beer habanero. Personalization is free, and every gift comes with a

full satisfaction guarantee. Use code love20 at mancrates.com to save 20%

on orders over $99. That's love20 at mancrates.com.

I'm David Pogue from CBS Sunday Morning. In the new season of my podcast

Unsung Science, you'll meet the discoverers of Ernest Shackleton's shipwreck

and Durant's Lost Beneathian Arctic for 100 years.

It looked like the day when it sank. It's just a very good environment down there to conserve

the shipwreck. The woman who invented forensic genealogy and has solved over 150 cold cases.

It's controversial, right? Because you never know if sitting around your Thanksgiving table,

there's somebody who's been getting away with murder or rape.

And the NASA engineers who flew a helicopter on Mars.

The density is 1% that of Earth's, 1% air density. It sounds impossible,

and it is almost impossible. It's season 2 of Unsung Science,

presented by CBS Sunday Morning and Simon & Schuster.

...