Here's what we know about dark matter:

1. It's there.
2. Its gravity affects things around it.
3. Aside from those two, we don't really know much.

That doesn't mean there aren't plenty of people who would like to help out...

Physicist Lisa Randall steps up to the Big Think camera this week to share her thoughts on dark matter and space in general. She's just recently published a book about dark matter, called Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe.









Here's what we know about dark matter:

1. It's there.
2. Its gravity affects things around it.
3. Aside from those two, we don't really know much.

That doesn't mean there aren't plenty of people who would like to help out...

Physicist Lisa Randall steps up to the Big Think camera this week to share her thoughts on dark matter and space in general. She's just recently published a book about dark matter, called Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe.









http://bigthink.com/videos/lisa-randall-on-dark-matter-101