Although caffeine is the most widely used drug in the world, many people may not know what the substance actually looks like. In April 2024, a post on Reddit (archive) claimed to show "Caffeine ...

This image is a scanning electron microscope micrograph of a strongly crumpled graphene sheet on a silicon wafer. The lateral size of the image is 20 microns. The Si wafter is at the bottom right ...

Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Long, slender DNA ...

Optical Micrograph of Graphene Domains Formed across Grain Boundaries (IMAGE) University of Oxford Caption A new technique developed by an Oxford University-led team enables graphene to be grown ...

Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus?