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What’s the worst thing you can think of happening on a date?You’ve probably already run over every nightmare scenario in your mind a thousand times.
One bad date doesn’t mean doom, and one good date doesn’t mean you’re stuck with someone for the rest of your lives: knowing you’re in control of your dating life can do wonders for combating social anxiety as you navigate the waters of the dating world.
The work was funded by the National Science Foundation and the U. “That is very exciting because a lot of interesting things happened with the Earth’s climate prior to 800,000 years ago that we currently cannot study in the ice core record.” Krypton dating is much like the more-heralded carbon-14 dating technique that measures the decay of a radioactive isotope – which has constant and well-known decay rates – and compares it to a stable isotope.
Unlike carbon-14, however, krypton is a noble gas that does not interact chemically and is much more stable with a half-life of around 230,000 years.
If you feel your anxiety creeping on, speak up about what’s going on.
People are usually understanding and if your date is someone who may or may not have a spot in your future, they’ll let you know up front if they’re able to deal with it.
The ability to discover ancient ice is critical, the researchers say, because it will allow them to reconstruct the climate much farther back into Earth’s history and potentially understand the mechanisms that have triggered the planet to shift into and out of ice ages.
Results of the discovery are being published this week in the Proceedings of the National Academy of Sciences. “The oldest ice found in drilled cores is around 800,000 years old and with this new technique we think we can look in other regions and successfully date polar ice back as far as 1.5 million years,” said Christo Buizert, a postdoctoral researcher at Oregon State University and lead author on the PNAS article.
Carbon dating doesn’t work well on ice because carbon-14 is produced in the ice itself by cosmic rays and only goes back some 50,000 years.
Krypton is produced by cosmic rays bombarding the Earth and then stored in air bubbles trapped within Antarctic ice.
“The atom trap is so sensitive that it can capture and count individual atoms,” said Buizert, who is in OSU’s College of Earth, Ocean, and Atmospheric Sciences.
“The only problem is that there isn’t a lot of krypton in the air, and thus there isn’t much in the ice, either.
Here’s something useful that works like radiocarbon dating, but on ice.