When do humans appear on the cosmic calendar?

If you think about the whole history of our planet, the part that includes humans is just a teeny tiny blip. The Earth was around for more than four BILLION years before there was any life on the planet at all. Thinking about such a huge amount of time can really boggle your brain!  How do we understand what happened when?  We asked astronomer Mark Popinchalk to help us find the answer.

If you think about the whole history of our planet, the part that includes humans is just a teeny tiny blip. The Earth was around for more than four BILLION years before there was any life on the planet at all. Thinking about such a huge amount of time can really boggle your brain!  How do we understand what happened when?  We asked astronomer Mark Popinchalk to help us find the answer.
Got a question that totally rocks? Send it to us at BrainsOn.org/contact, and we’ll help reach a geo-LOGICAL conclusion. 

Canva

Moment of Um Podcast

Smash Boom Best is a debate show for kids and families from the makers of the award-winning podcast, Brains On! Every episode takes two cool things, smashes them together and lets you decide which is best.


Smash Boom Best

A history show for the whole family! Every episode explores the origin of just one thing — like sandwiches, video games, clocks and more — while teaching listeners to think critically about history.


Forever Ago

Our mission is to encourage kids’ and curious adults’ natural curiosity and wonder using science and history…but there’s no age limit on curiosity, and episodes of Brains On can be enjoyed by anyone.


When do humans appear on the cosmic calendar?

Subscribe

Discover Other APM Kid Podcasts

Smash Boom Best

Forever Ago

Brains On!