From seahorse farewells to saving a stranded whale, the photos capture the diversity and beauty of sea creatures—but also the perils they face. bit.ly/4dfervw

In the mid-19th century, “Big Tree mania” spread across the country and our love for the trees has never abated. bit.ly/4yZ1kHj

Meet Jackie—short for Jack-O’-Lantern—an extremely rare female “calico” lobster. The odds of catching a calico lobster are about 1-in-30-million. #NationalLobsterDay bit.ly/4rwLVLH

Researchers tested the battery in an RFID tag that can be rolled up in a capsule and swallowed. It can then transmit information about the digestive tract to a reader outside the body. bit.ly/4yPr6xu

Fifteen ancient Greek artifacts of bronze, marble and clay—dating back almost five millennia and valued at nearly $3 million—have been returned to their home country. bit.ly/4hszyfm

Over the past few centuries, inventors have tweaked the design of the receptacles here and there, but overall, not much has changed about the dependable medical supply. bit.ly/4heFnhz

Today, Lancaster is one of just nine American cities that have served as the U.S. capital, however fleetingly. Lancaster’s brief stint as the nation’s capital was over almost as quickly as it began. bit.ly/3TRfAD1

Archaeologists in Paris have discovered the remains of an ancient wall that may have formed part of the city’s original settlement. bit.ly/4ySKtpt

The flying mammals likely arose 65 million years ago in Europe, before spreading to Africa and then the rest of the world, according to the new research. bit.ly/4d7roaR

As he prepares to retire, @SmithsonianSec Lonnie G. Bunch III explains the Institution’s role in preserving history. bit.ly/4hP1R7Z

Rhinos, zebras, cheetahs and flamingos all live in the vast savannas of Kenya, and that’s just the tip of the natural menagerie. bit.ly/4y9ZVxy

Do you have a favorite birdsong? Other people might share the same one. Certain acoustic features of their tweets strike a chord with humans, according to a new study. bit.ly/47mEwW0

An upcoming exhibition at Tate Modern will feature more than 60 artworks created by Monet between the 1870s and 1920s. These pieces reveal how he documented changing light and weather conditions. bit.ly/4jn7YT9

The museum opened on September 24, 2016, with a staff of about 200 people. It would serve as a living symbol of the importance of the nation’s shared history and the joy of celebrating a journey begun by African American Civil War veterans in 1915 who sought to get a museum built on the National Mall. bit.ly/3V7L5cr

Virtually all cultures and epochs fizz with magic. You might call it a secret ingredient of human life, because magic takes so many forms and serves so many functions. bit.ly/4iArIT7

For a new study, archaeologists attempted to answer age-old questions about Rome’s roads, including how connected the capital was and whether current motorways trace Roman routes. bit.ly/4iu2Zjb

Almost two decades in the making, the institution centers on art that shapes our everyday lives and reveals the craft behind it. bit.ly/4yVkVIx

Your Guide to October @amhistorymuseum: Revolutionary History to celebrate America 250, new exhibitions and more. bit.ly/4rw0zTH

The Pyramids of Giza and the Great Sphinx might be Egypt’s superstars, but look beyond them and you’ll find intriguing myths, a warm modern-day culture and a very human side to ancient history—and maybe even a dog named Spot. bit.ly/46KdSq1

Cutting off a person’s nose without anesthesia was one of the “Five Punishments” that could be imposed in ancient China, along with decapitation, limb amputation, castration and facial tattooing. bit.ly/4yNzjlO