They used to run marathons. Now, taking a shower is exhausting. But for these patients—who have one of the most debilitating symptoms of long COVID—hope may be on the horizon https://t.co/3flbN2djAG

Every tree tells a story  #ArborDay  https://t.co/BHdTV99dgS

The largest patch of old growth redwood forest remaining in Humboldt Redwoods State Park, California https://t.co/K8X5CQZf3U

Check out even more coverage on elephants this month, including #SecretsOfTheElephants, a four-part National Geographic series now streaming on @DisneyPlus and @Hulu  https://t.co/FEciL8iGUD

Since the first elephant story was published in National Geographic in 1906, the magazine has taken different angles on covering the pachyderms https://t.co/H92n73k5K3

Aspire to be an alpinist? Head to Chamonix to master high-altitude mountaineering https://t.co/LTVc7e7vV8

We’re not the only animals that suffer anxiety. From lizards to song sparrows, challenging situations can have long-lasting impacts on species https://t.co/KiSmJ5m0fN

Summer is on the way, with resorts dusting off their lounge chairs, marine life gathering for feeding seasons, and a packed program of seaside festivals and arts events around the world https://t.co/r0W21pnlki

It's long been known that people blink to keep their eyes moist and protected, but less known is how we evolved the phenomenon. A new study on an amphibious fish offers clues https://t.co/xpjnQrONKY

Meet the velvet worm, a nearly blind creature with an impressive weapon https://t.co/V5BhJ7cQCe

Photojournalist Brent Stirton reveals the story behind the cover image of the May issue, and how he documented the complex relationship between humans and elephants https://t.co/VjyursYtki

The miniseries #ASmallLight premieres Monday, May 1, at 9/8c on National Geographic and streaming May 2 on @DisneyPlus and @hulu

Miep Gies was young, carefree, and opinionated—at a time when opinions could be dangerous. When her boss, Otto Frank, asked her to help hide his family from the Nazis during World War II, she didn’t hesitate  https://t.co/S1GEfeHAJe

A Joshua tree bends over a Mohave yucca plant in Joshua Tree National Park, California https://t.co/SOm5yZNcmw

Thirty-seven years after the world’s worst radioactive accident, scientists are studying the descendants of abandoned dogs impacted by the devastating explosion to transform our knowledge about the effects of radiation https://t.co/5HPY2YER5C https://t.co/C4oZbruQ83

From elite athletes to TikTokers, more people are trying to tailor their workouts to their menstrual cycles. But does that work? Here’s what the science says https://t.co/Sg4Feabg9k

Travelers around the world are climbing aboard to see whales up close. Here’s how to ensure that your trip does more good than harm https://t.co/LSMf1YbDFT

The tale of an advanced civilization that catastrophically vanished long ago has long been a lure for Atlantis hunters. But archaeologists are blunt: there’s a good reason why we’ll never find it https://t.co/SEXEReOsW4

Poison ivy can be found in many forms with leaves that vary in size, shape, and color. It stands to benefit immensely from climate change https://t.co/N4X7HQM5Nw

Snack time! Ana tree seed pods are full of protein—the desert equivalent of a peanut butter sandwich.

Watch #SecretsoftheElephants now streaming on @disneyplus and @hulu https://t.co/IN5KNdfhKm