The spring equinox arrives March 20, marking the official start of spring in the Northern Hemisphere.

An equinox happens when the sun is positioned directly above Earth’s equator, creating nearly equal amounts of day and night around the world. The word comes from Latin, meaning “equal night.” After the spring equinox, daylight continues increasing in the Northern Hemisphere as summer approaches. It has been recognized for thousands of years in cultures that tied it to planting seasons, renewal and seasonal celebrations.

Today, the spring equinox is both an astronomical milestone and a symbolic sign that warmer, brighter days are ahead.

You know the importance of sleep, but actually getting enough is easier said than done. One wellness brand decided to study the problem and whether CBD could help.

CBD users have long reported feeling calmer and sleeping better, whether taking the compound by itself or with related hemp-derived compounds like CBN and THC. But rumor isn’t research, so CBDistillery conducted two sleep studies: a 2021 study into CBD and CBN, and a 2023 study with technology app Releaf into CBD, CBN and THC.

Study participants who took CBD and CBN reported falling asleep easier and sleeping an hour longer per night, on average. Study participants who took THC as well as CBD and CBN reported improved quality of sleep and waking up more refreshed the next morning.

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Einstein published his general theory of relativity on March 20, 1916, and it completely changed how scientists understand gravity.

Instead of gravity being just an invisible force pulling objects together, Einstein showed that massive objects like planets and stars bend space and time around them. That bending is what we experience as gravity. The theory took him 10 years to complete and helped explain strange observations – including Mercury’s unusual orbit – and predicted black holes, gravitational waves and light bending around stars.

Over a century later, general relativity still shapes modern astronomy, space exploration and even GPS technology used every day.

Celebrated on March 20, International Day of Happiness highlights the idea that well-being matters just as much as economic success.

The United Nations established the day in 2012, inspired in part by Bhutan’s focus on Gross National Happiness. Research consistently shows strong relationships, physical health, sleep and financial security all play roles in life satisfaction. Studies also find acts of kindness and gratitude can improve mood and reduce stress. The day often aligns with global happiness rankings that compare countries on factors like social support and life expectancy.

The observance encourages people to make space for joy, connection and well-being.

Carl Reiner, born March 20, 1922, in the Bronx, New York, was a comedian, writer, actor, director and producer whose career helped shape modern American comedy.

After serving in World War II, he rose to prominence writing and performing on “Your Show of Shows,” one of early television’s most influential programs. Reiner later created “The Dick Van Dyke Show,” a landmark sitcom in which he appeared as Alan Brady, the temperamental comedy writer’s boss.

He directed films including “The Jerk” and was beloved for his comedic partnership with Mel Brooks, with influence stretching across television, film and generations of comedians.

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Today is National Ravioli Day, celebrating the stuffed pasta that has been a staple of Italian cooking for centuries.

Ravioli dates back to at least the 14th century in Italy, where early versions were filled with cheese, herbs, meat or vegetables and served in a broth or simple sauce. Italian immigrants helped make ravioli a staple in the United States, where canned and frozen versions later brought it into home kitchens. Today ravioli comes in endless varieties, from ricotta and spinach to lobster and butternut squash. Whether fresh or shelf-stable, ravioli remains one of pasta’s most versatile and comforting forms.

Take some tips from The Clever Carrot and use any filling you like: Make a simple dough with 3 cups flour, 4 eggs and a little olive oil, let it rest, then roll it thin, add small spoonfuls of filling, seal, cut into squares and boil for a few minutes. Toss in garlic butter, broth or a simple marinara sauce.