What happens to something airtight when the air around it changes? Find out by making a pressure bottle and squishing some foamy materials. Download the Squish Bottle PDF (375 Kb). Adobe Acrobat ...

A Belgian research scientist is working with the federal police to create a scent that mimics the smell of dried human bones ...

But when you put fill the bottle and glass with glycerin, it looks like the mini bottle isn't even there — you can see the pencil behind the glass set up isn't distorted at all. This is because ...

A few bottles were found to have thousands of particles ... which yield a reliably safe product". It described the science of microplastics as "an emerging field, in its infancy, which requires ...