Comparison of Modern Human and Neanderthal skulls from the Cleveland Museum of Natural History.

Ancient Teeth With Neanderthal Features Reveal New Chapters of Human Evolution

The 450,000-year-old teeth, discovered on the Italian Peninsula, are helping anthropologists piece together the hominid family tree

Blombos Cave drawing with ochre pencil on silcrete stone.

Stone Age Markings May Be the Oldest Drawing Ever Discovered

The crosshatch symbol was made with a red ochre utensil more than 70,000 years ago

The human gut is filled with trillions of microbes.

The Benefits of Probiotics Might Not Be So Clear Cut

An individual's natural gut bacteria determine whether the so-called dietary supplements help or do nothing at all

How Accurate Is the Theory of Dog Domestication in 'Alpha'?

The "boy and his dog" tale is a piece of prehistoric fiction, but scientists are uncovering the true origins of our incredible relationship with dogs

In Asia, the biggest threat to elephant survival isn't ivory poaching but habitat loss. Here, men ride Asian elephants in Thailand.

In a Horrifying New Twist, Myanmar Elephants Are Being Poached For Their Skin

In Asia, the biggest threat to elephant survival has long been habitat loss. That may be changing

Human evolution is ongoing, and what we eat is a crucial part of the puzzle.

How Cheese, Wheat and Alcohol Shaped Human Evolution

Over time, diet causes dramatic changes to our anatomy, immune systems and maybe skin color

Did a falling apple really influence Newtonian physics?

Sometimes, a Scientific “Eureka!” Moment Really Does Change the World

Your plastic credit card, microwaveable popcorn and erection enhancers all owe to a fortuitous moment of connection

What Foods Are Most Likely to Make You Sick?

We put some common myths to rest—and help you tackle your next turkey dinner with confidence

Delightful or despicable? Your response could help neuroscientists understand the brain's basis for disgust.

What Stinky Cheese Tells Us About the Science of Disgust

Why does this pungent delicacy give some the munchies, but send others reeling to the toilet?

If you've eaten an avocado lately, chances are it was a Hass.

Holy Guacamole: How the Hass Avocado Conquered the World

Why one California postman's delicious mistake now graces toast and tacos from California to New Zealand

Some studies have shown that humans can learn to track scents like canines.

In Some Ways, Your Sense of Smell Is Actually Better Than a Dog’s

Human noses are especially attuned to picking up odors in bananas, urine and human blood

Neuroscience is giving new meaning to the phrase "get on my wavelength."

Students’ Brains Sync Up When They’re in an Engaging Class, Neuroscience Shows

What does it really mean to get our brains on the same wavelength?

A new study recommends that the peanut-allergic try consuming other nuts—but only under the supervision of a licensed allergist.

Tree Nut Allergies May Be Massively Overdiagnosed

But don’t go for the jar of almond butter just yet

Ingenious leafcutter ants have developed a successful symbiotic relationship with the fungi they farm. New genetic analysis helps pinpoint when, and why.

How Ants Became the World’s Best Fungus Farmers

Ancient climate change may have spurred a revolution in ant agriculture, Smithsonian researchers find

Researchers scanned the brains of memorizers as they practiced tried-and-true memory techniques to see how their brains changed in response to their training.

Neuroscientists Unlock the Secrets of Memory Champions

Boosting your ability to remember lists, from facts to faces, is a matter of retraining your brain

Smarter than we think.

Bees Can Learn to Play “Soccer.” Score One for Insect Intelligence

Small as they are, bumblebee brains are surprisingly capable of mastering novel, complex tasks

British statesman and author Winston Churchill reads correspondence at his desk in 1933.

“Are We Alone in the Universe?” Winston Churchill's Lost Extraterrestrial Essay Says No

The famed British statesman approached the question of alien life with a scientist's mind

After the defeat of Cleopatra's forces by Octavian (later Augustus, emperor of Rome), the Egyptian queen and her lover Marc Antony fled to Egypt. In Shakespeare's imagining, one of Cleopatra's greatest fears was the the horrid breath of the Romans. Shown here: "The Death of Cleopatra" by Reginald Arthur, 1892.

The History and Science Behind Your Terrible Breath

Persistent mouth-stink has been dousing the flames of passion for millennia. Why haven’t we come up with a cure?

The bigger the tomato, the blander the taste.

The Quest to Return Tomatoes to Their Full-Flavored Glory

We’ve bred the original tomato taste out of existence. Now geneticists are asking: Can we put it back?

Your breath might be bad, but it's also amazing.

Your Breath Does More Than Repulse—It Can Also Tell Doctors Whether You Have Cancer

An artificial “nose” could be the next tool for diagnosing illnesses from cancer to Crohn's disease

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