Take an incredible journey inside the human body and discover how your brain, heart, blood vessels, red blood cells, and immune system work together every second. Discover how oxygen travels through ...

Microplastics and nanoplastics are now found everywhere on Earth, from ocean depths to agricultural soils and even inside the human body. Yet scientists still struggle to understand what these ...

Physicians rely on nuclear medicine scans, like SPECT scans, to watch the heart pump, track blood flow and detect diseases hidden deep inside the body. But today's scanners depend on expensive ...

A new imaging breakthrough combines ultrasound and light-based techniques to generate vivid 3D images that show both tissue structure and blood vessel activity. Developed by researchers at Caltech and ...

The human body is an amazing, curious, and disgusting thing. At any given moment, millions of tiny lifeforms are making their way across your body—both inside and out. And now, researchers say they've ...

Some discoveries change the way we view the human body. In 2021, researchers described what they saw when they had examined skin-biopsy samples that included tattoos: The ink particles had traveled ...

Biologists mapping the human microbiome expected to find new bacteria and viruses, not entities that slip through every familiar category of life. Yet that is what several research teams now say they ...

The breakthrough could make scans sharper, faster, cheaper, and safer — expanding access to high-quality nuclear medicine imaging for patients worldwide. Physicians rely on nuclear medicine scans, ...