Memory is a tricky, interesting thing. Are there actions you can take to improve yours? ow.ly/HxPu50CRihz

Can eating chocolate make you smarter? Here's what science says about the link between cognition and the sweet stuff. ow.ly/Tztt50CRiJA

Let's put different disease-causing objects under a microscope and get a primer on the difference between them. ow.ly/f6gl50CRiMK

Most of us have experienced deja vu—that sensation when new events feel eerily familiar. Could this "glitch in the Matrix" be a brain short-circuit? ow.ly/9PaF50CRiOr

In the northern hemisphere, winter is upon us and for many, that means snow, and lots of it. Where does it snow and how? Is it really true that no two snowflakes are ever alike? Keep reading for the scoop on all things snow. ow.ly/QFW650CG3Za

If you're looking to develop some new habits in 2021, this is how long science says it takes to really get new practices to stick. (Hint: It's not 21 days.) ow.ly/LEXc50CRiRw

The coronavirus pandemic has had us glued to our screens, but there are some easy ways to reach a better balance, says Becca Caddy bit.ly/38e9UZn

Informally known as "the Bird," this system of interacting galaxies contains two spiral galaxies and a third irregular galaxy. Located about 650 million light years from Earth, the Bird's wings span more than 100,000 light years — roughly the size of our Milky Way. #BirdDay 🐦

Turn it up! 🎶 Through sonification, we can “listen” to the data in this image of the Bullet Cluster, which combines Hubble observations with those from Chandra Observatory and ground-based telescopes. Learn more: go.nasa.gov/3nfBFop

Our short-term memory tops out around the age of 25 and levels off for about a decade before it starts to slowly decline, but our ability to assess other people’s emotions doesn’t reach its peak until we are in our 40s or 50s. ow.ly/r6rQ50D1o0s

Earth's tilted axis means that the number of daylight hours changes throughout the year, and how it changes depends on the latitude at which you live. How many minutes of daylight do you experience each day? ow.ly/1Qk650D3iSC

As the International Space Station orbits Earth, its solar arrays soak up the Sun's energy to provide electrical power to the platform. After 20 years, it's time for an upgrade. Learn more about the 6 solar arrays to be delivered to the orbiting lab starting this year: go.nasa.gov/35sU0Iv

To set the Guinness World Record for breath-holding, a professional freediver went without breath for a whopping 24 minutes and 3 seconds. Think you could beat it? ow.ly/jyTC50D7pvj

Think you're ready to head off into the final frontier? ow.ly/wj0e50D8pZQ

With the Inauguration coming up tomorrow, let's revisit the 2017 Inauguration to determine how we accurately estimate crowd size. ow.ly/mHjm50Dcrbs

Evidence suggests that humans' sleep was once disjointed, but researchers can't quite figure out why. pst.cr/nAxvu

This image is ~6 million light years across & it shows the aftermath of a giant collision involving 4 separate galaxy clusters about 3.5 billion light years from Earth. Known as Abell 2744, it's also called "Pandora's Cluster" because of all the different structures found within.

Was Oumuamua, the bizarre cigar-shaped object that zoomed through our solar system in 2017, a piece of alien technology? The Harvard astrophysicist Avi Loeb believes it was. nyti.ms/39k3VTh

Do we each have just one true soulmate, that person who is the ideal fit for all of our interests, values, and personality quirks? And if you’re with someone whom you consider special, how do you know you’ve really found The One? #ValentinesDay quickanddirtytips.com/education/scie…