Body

An X-ray shows where the prosthetic metal fingers attach to the device.

Archaeologists Discover Centuries-Old Prosthetic Hand in Germany

Used by a man between 30 and 50 years old, the four prosthetic fingers date to between 1450 and 1620

Two types of white blood cells, a neutrophil (top) and a lymphocyte (bottom), in human blood.

Human Cells Display a Mathematical Pattern That Repeats in Nature and Language

New research suggests adult humans have between 28 trillion and 36 trillion cells, which follow a commonly seen distribution of size and mass

A train in Austria displays an ad for the Klimaticket.

Austria Offers Free Rail Travel in Exchange for Getting a Tattoo

Six people with a "Klimaticket" tattoo received an unlimited one-year public transit pass

The massive sharks known as megalodons ruled the oceans for some 20 million years.

Megalodons Were Warm-Blooded—and It Was a Blessing and a Curse

The giant sharks likely warmed some of their body parts, helping them grow massive but leaving them vulnerable to environmental changes, a new study finds

Tighter curls may dissipate more heat than other types of hair or no hair.

Curly Hair Keeps the Head Coolest

A new study suggests our locks may have evolved to prevent our brain from overheating

A sheet displaying some of the tattoo designs visitors can pick from during the "Poor Man's Rembrandt" project

To Reach New Audiences, This Museum Is Offering Rembrandt-Inspired Tattoos

The "Poor Man's Rembrandt Project" will allow visitors to forge a permanent connection with the 17th-century artist

New mental health treatments employ psychedelics and virtual reality.

The Future of Mental Health

A renewed focus on our brain's ability to cope with trauma sparks a special series of stories about the latest advancements in treatments of mental illness

A medical illustration of the right half of a human brain from 1876.

Scientists Update Map of How Our Brains Control Movement

The traditional diagram showed brain regions linked to specific body parts, but we might also have areas connected to whole-body control

The new hydrogel might someday lead to shock-absorbing smartphone cases, as well as better bullet-proof vests and space equipment.

This New Shock-Absorbing Gel Can Withstand Supersonic Impacts

Made from a resilient protein in human cells, the technology could improve body armor, space gear and even cell phone cases

The study found that the human particpants and rats jerked their heads in a similar rhythm as the songs played. 

Watch These Rats 'Dance' to the Rhythms of Mozart, Lady Gaga and Queen

Moving accurately to a song’s beat was long thought to be a skill unique to humans, but new research suggests rats can do it, too

Hikers discovered Ötzi the ice mummy in September 1991 in the Tyrolean Alps.

Rewriting the Story of Ötzi, the Murdered Iceman

A new study suggests that nearly everything archaeologists thought they knew about the 5,300-year-old corpse’s preservation was wrong

African savanna elephants have about 63,000 neurons in the part of their brain that controls facial movement. Humans only have about 8,000 to 9,000.

What an Elephant’s Brain Reveals About Its Trunk

Elephants have tens of thousands of facial neurons, more than any other land mammal

A yoga instructor practices a breathing exercise.

How Does Breathing Affect Your Brain?

Neuroscientist are piecing together how the rhythm of respiration influences everything from cognition to emotion

RoboCap compared to the size of a penny

Robotic Pill Aims to Replace Insulin Shots, Injected Antibiotics

The capsule withstands stomach acid and drills through mucus to deliver medication to the gut

Researchers found chewing gum can increase metabolic rates by up to 15 percent.   

Chewing Uses More Energy Than You'd Think

And it may have influenced the way our jaws and teeth evolved

Scientists want to open a dialogue with intelligent extraterrestrial beings in the Milky Way.

Why NASA Scientists Want to Send Nudes to Space

The naked truth: It’s a plan to make contact with intelligent life forms in the Milky Way

Scientists are turning scientific date, like DNA sequences, into sound.

Why Scientists Are Turning Molecules Into Music

Converting DNA sequences and particle vibrations into notes allows researchers to recognize unseen patterns and create songs for outreach

Researchers at George Mason University are designing an experiment to test whether honey collected from bees foraging near human corpses will contain evidence of those remains.   

Forensic Scientists Are Testing Whether Honey Bees Can Help Locate Human Bodies

Researchers think they can find evidence of volatile organic compounds from a decomposing body in honey

The participants could have been exposed to microplastics through air, water and food, but also through personal care products like toothpaste or lip gloss that might have been accidentally ingested, dental polymers, parts of implants or tattoo ink residues.

Microplastics Detected in Human Blood in New Study

Researchers found plastic in the blood of 17 of 22 of study participants, or about 77 percent

Scientists built this synthetic fish using paper, plastic, gelatin and human heart cells.

Scientists Build an Artificial Fish That Swims on Its Own Using Human Heart Cells

The experiment could advance pacemaker technology and bring science closer to developing artificial hearts for people

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