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A new study of chimps may suggest our love of cooking has deeper roots than we ever thought.

New research shows that chimps prefer cooked food. Yes, that's actually a big deal — here's why.

A new study of chimps may suggest our love of cooking has deeper roots than we ever thought.

People LOVE to cook. A lot.

Like, a lot a lot.


"NOTHING makes me happier than watching my BF flip veggies. Except maybe this polo shirt." All images via Thinkstock.

No, but really. We love to cook so much that we'll spend money to watch other people cook.

"Iron Chef." "Chopped." "Cupcake Wars." "Hell's Kitchen." A bajillion other shows.

Maybe right now you're thinking, "OMG that is soooo true! Cooking is my favorite thing ever!" Or maybe you're more along the lines of, "What no no no get that thing away from me."

"Wow WTF are we even all looking at?" "Just. Keep. Smiling."

But despite your personal feelings (and abilities), you've gotta admit it: Cooking is a huge part of human culture.

So when did our love affair with cooking actually start?

There's some debate among experts as to when humans first started using fire for cooking. But a new study of chimpanzees may suggest that this development came a bit sooner than we'd previously thought — like, maybe a million years sooner.

As reported by The New York Times, Harvard and Yale scientists have been researching whether or not chimps have the necessary cognitive skill to cook.

"Should I make pasta? Or just order pizza???"

Turns out they do.

Not only do chimps prefer the taste of cooked food, they also have the patience and forethought required to forgo raw food.

In a series of experiments, researchers found that not only do chimps prefer the taste of cooked food, they also have the patience and forethought required to forgo raw food to allow someone to cook it for them.

Here's what the scientists did.

They presented the chimps with a slice of raw potato. The chimps would place the potato into the "cooking device" (which was actually just hiding a piece of cooked potato), and the scientists would "cook" it and return the piece of cooked potato to the chimps to eat.

Step 1: Put raw potato in cooking device.

All GIFs from Harvard University via The New York Times.

Step 2: Scientist cooks the potato for you. (Or really just unveils a hidden cooked potato.)

Step 3: Eat delicious cooked potato.

Turns out, the chimp study may tell us quite a bit about our own cooking history.

The fact that chimps could maybe cook — if they had the ability to manage fire — could be a sign that our human ancestors were developing the cognitive ability to cook quite a while before we previously thought they were.

See, experts of human origin believe that the big shift in human brain capacity came when we started using tools about 2.6 million to 3.3 million years ago. More nutrients, more energy, bigger brains.

"TBH I would so much rather be eating cooked banana rn."

But some scientists, including British primatologist Richard Wrangham, believe that we also started cooking shortly after that and that cooking food was actually a bigger deal for our development. Cooked food is advantageous because it's softer (which means less time chewing and smaller teeth) and gives us more energy (which means longer lives, more babies, more travel, and bigger brains).

Cooked food is advantageous because it's softer and gives us more energy.

The problem with Wrangham's theory has been that scientists simply haven't yet found physical evidence to support it. The earliest evidence of using fire for cooking dates back only about 1 million years, long after the use of tools began.

But that's part of why the chimpanzee study is so awesome: It's a mark in favor of Wrangham's theory. It shows that early humans, who would've been cognitively similar to modern-day chimps, just might have had the skills to start cooking many years (like, maybe over a million years) sooner than we thought.

Pretty darn cool, right?

So it's really no wonder cooking has become such a huge part of our culture — we've been doing it for at least 1 million years.

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Shopping sustainably is increasingly important given the severity of the climate crisis, but sometimes it's hard to know where to turn. Thankfully, Amazon is making it a little easier to browse thousands of products that have one or more of 19 sustainability certifications that help preserve the natural world.

The online retailer recently announced Climate Pledge Friendly, a program to make it easier for customers to discover and shop for more sustainable products. To determine the sustainability of a product, the program partnered with third-party certifications, including governmental agencies, nonprofits, and independent labs.

With a selection of items spanning grocery, household, fashion, beauty, and personal electronics, you'll be able to shop more sustainably not just for the holiday season, but throughout the year for your essentials, as well.

You can browse all of the Climate Pledge Friendly products here, labeled with an icon and which certification(s) they meet. To get you on your way to shopping more sustainably, we've rounded up eight of our favorite Climate Pledge Friendly-products that will make great gifts all year long.

Amazon

Jack Wolfskin Women's North York Coat

Give the gift of warmth and style with this coat, available in a variety of colors. Sustainability is built into all Jack Wolfskin products and each item comes with a code that lets you trace back to its origins and understand how it was made.

Bluesign: Bluesign products are responsibly manufactured by using safer chemicals and fewer resources, including less energy, in production.


Amazon

Amazon All-new Echo Dot (4th Gen)

For the tech-obsessed. This Alexa smart speaker, which comes in a sleek, compact design, lets you voice control your entertainment and your smart home as well as connect with others.

Reducing CO2: Products with this certification reduce their carbon footprint year after year. Certified by the Carbon Trust.


Amazon

Burt's Bees Family Jammies Matching Holiday Organic Cotton Pajamas

Get into the holiday spirit with these fun matching PJs for the whole family. Perfect for pictures that even Fido can get in on.

Global Organic Textile Standard: This certifies each step of the organic textile supply chain against strict ecological and social standards. Each product with this certification contains 95%-100% organic content.

Amazon

Naturistick 5-Pack Lip Balm Gift Set

With 100% natural ingredients that are gentle on ultra-sensitive lips, this gift is a great gift for the whole family.

Compact by Design (Certified by Amazon): Products with this certification are packaged without excess air and water, which reduces the carbon footprint of shipping and packaging.


Amazon

Arus Women's GOTS Certified Organic Cotton Hooded Full Length Turkish Bathrobe

For those who love to lounge around, this full-length organic cotton bathrobe is the way to go. Available in five different colors, it has comfortable cuffed sleeves, a hood, pockets, and adjustable belt.

Global Organic Textile Standard: This certifies each step of the organic textile supply chain against strict ecological and social standards. Each product with this certification contains 95%-100% organic content.

Amazon

L'Occitane Extra-Gentle Vegetable Based Soap

This luxe soap, made with moisturizing shea butter and scented with verbena, is perfect for the self-care obsessed.

Compact by Design (Certified by Amazon): Products with this certification are packaged without excess air and water, which reduces the carbon footprint of shipping and packaging.

Amazon

Goodthreads Men's Sweater-Knit Fleece Long-Sleeve Bomber

For the fashionable men in your life, this fashion-forward knit bomber is an excellent choice. The sweater material keeps it cozy and warm, while the bomber jacket-cut, zip front, and rib-trim neck make it look elevated.

Recycled Claim Standard 100: Products with this certification use materials made from at least 95% recycled content.

Amazon

All-new Fire TV Stick with Alexa Voice Remote

Make it even easier to access your favorite movies and shows this holiday season. The new Fire TV Stick lets you use your voice to search across apps. Plus it controls the power and volume on your TV, so you'll never need to leave the couch! Except for snacks.

Reducing CO2: Products with this certification reduce their carbon footprint year after year. Certified by the Carbon Trust.

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If the past year has taught us nothing else, it's that sending love out into the world through selfless acts of kindness can have a positive ripple effect on people and communities. People all over the United States seemed to have gotten the message — 71% of those surveyed by the World Giving Index helped a stranger in need in 2020. A nonprofit survey found 90% helped others by running errands, calling, texting and sending care packages. Many people needed a boost last year in one way or another and obliging good neighbors heeded the call over and over again — and continue to make a positive impact through their actions in this new year.

Upworthy and P&G Good Everyday wanted to help keep kindness going strong, so they partnered up to create the Lead with Love Fund. The fund awards do-gooders in communities around the country with grants to help them continue on with their unique missions. Hundreds of nominations came pouring in and five winners were selected based on three criteria: the impact of action, uniqueness, and "Upworthy-ness" of their story.

Here's a look at the five winners:

Edith Ornelas, co-creator of Mariposas Collective in Memphis, Tenn.

Edith Ornelas has a deep-rooted connection to the asylum-seeking immigrant families she brings food and supplies to families in Memphis, Tenn. She was born in Jalisco, Mexico, and immigrated to the United States when she was 7 years old with her parents and sister. Edith grew up in Chicago, then moved to Memphis in 2016, where she quickly realized how few community programs existed for immigrants. Two years later, she helped create Mariposas Collective, which initially aimed to help families who had just been released from detention centers and were seeking asylum. The collective started out small but has since grown to approximately 400 volunteers.