Why does winter get us down? Here’s what science says.

Surprising ways to fight winter blues. Plus, new mysteries in early galaxies, remembering Gandhi  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌    ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  

 

A NEW WAY TO TELL YOUR AGE VIEW ONLINE

A NEW WAY TO TELL YOUR AGE

THESE TOOLS WILL HELP YOU WITH SEASONAL DEPRESSION Tuesday, January 31, 2023

In today’s newsletter, we travel on a vegan safari, examine how to bounce back from seasonal affective disorder, learn how facial scans may determine your ‘biological age’, hang with elephant seal pups and ‘super-weaners’ ... and walk in the footsteps of Gandhi.

PHOTO ILLUSTRATION BY JENNIFER LEE BLANTON, GETTY IMAGES The trigger is the seasonally short number of daylight hours between dawn and dusk. A person starts mimicking hibernation—wanting to sleep or eat more. Losing energy. Having difficulty concentrating. Seasonal depression hits three times more women than men. But what's the link between light and mood? And what tools do we have to fight it? Read the full story here. Please consider getting our full digital report and magazine by subscribing here.

STORIES WE'RE FOLLOWING

IMAGE BY JING-DONG JACKIE HAN, PEKING UNIVERSITY

A 3D face scan can reveal your physiological age—and it could be ‘a wake-up call’ (Pictured above, a heat map showing how a face changes with age) Newly spotted galaxies have provoked mysteries—and unease Hate to drag your dog out for walks all the time? It may be keeping you alive longer. Shipwreck found off a coast laden with diamonds ‘Microclots’ could help solve the long COVID puzzle Volcanoes attracted them. Their love story has just been nominated for an Oscar.

Clothing from 1600s shipwreck shows how the 1 percent lived How one man turned centuries of casual anti-Semitism into genocide These 3,000-year-old relics were torched and buried—but why?

PHOTO OF THE DAY

PHOTOGRAPH BY YVA MOMATIUK AND JOHN EASTCOTT, NAT GEO IMAGE COLLECTION Hangin’ with the pups: There are “weaners” and then there are “super-weaners.” All elephant seal pups become weaners when they lose their supply of milk that's 55 percent fat from their mothers (two weaners, above). Super-weaners are the pups pushy enough to get milk from another mom after they’ve been cut off. These super-weaners can weigh up to 600 pounds. Related: Keep the superlatives coming and meet “supermom” elephant seals MEALTIME!

IN THE SPOTLIGHT

PHOTOGRAPH COURTESY OF VEGAN SAFARI AFRICA Safari njema! Plant-based meals. Cruelty-free toiletries. Electric vehicles. Those items might sound out of place on a safari, but vegan-based tours are on the rise in Africa. As more people eschew meat, travel companies are paying attention and offering sustainable tours based in conservation—as best they can. (A lodge with animal-friendly decor in Botswana.) READ MORE

LAST GLIMPSE

PHOTOGRAPH BY RENA EFFENDI India’s Great Soul: 75 years ago, Mahatma Gandhi, promoter of nonviolence, founder of India, was assassinated by Hindu nationalists. Nat Geo Explorer Rena Effendi set out to see Gandhi’s legacy throughout India, including among salt harvesters in Gujarat (pictured above), where workers in 1930 were savagely beaten after Gandhi led a march to protest British restrictions on salt. READ MORE

Today’s soundtrack: Cold Weather Blues, Muddy Waters We hope you liked today’s newsletter. This was edited and curated by Sydney Combs, Jen Tse, and David Beard. Have an idea or a link for us? Write david.beard@natgeo.com. Happy trails!

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