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Is love actually science? ❤️🔬

During World Kindness Week, @USATODAY's @humankind is putting love under the microscope with "Is Love Actually?" The new five-part series explores the science, psychology and biology behind human connection.

Is everything a rectangle? An innocent observation has turned into an internet theory that suggests humans are really obsessed with all things rectangular. Read about it here: bit.ly/4z4JGl4

When “just helping out” snowballs, you may turn into a full-time caregiver. What is “caregiver creep,” and why is it scaring the sandwich generation? @USATODAY's Madeline Mitchell explains: bit.ly/3UvPNAO

Have you ever tried to have a “backup” while in a monogamous relationship? “Cushioning” may not sound like the name of a new toxic dating trend, but the deceiving name has some serious implications. Read about it in @USATODAY here: bit.ly/4iFi6pu

Curb appeal may not be the only thing homebuyers and renters are looking for. Your proximity to @Costco may be just as important. Read about the “Costco effect” here: bit.ly/47xWrJI