Biodegradable aerogel: Airy cellulose from a 3D printer

At first glance, biodegradable materials, inks for 3D printing and aerogels don't seem to have much in common. All three have great potential for the future; however, "green" materials do not pollute the environment, 3D printing ...

Neutron stars could be heating up from dark matter annihilation

One of the big mysteries about dark matter particles is whether they interact with each other. We still don't know the exact nature of what dark matter is. Some models argue that dark matter only interacts gravitationally, ...