The Last Star in the Universe — Red Dwarfs Explained

S04 E01 • Sunday, Jan 31, 2016 • Jan 31 • 6m

The last star in the universe will be a red dwarf. Red dwarfs in general might be great places to look for aliens – or planets for humans to find a new home after our solar system has died.

Why the War on Drugs Is a Huge Failure

S04 E02 • Tuesday, Mar 1, 2016 • Mar 1 • 7m

The war against drugs has been a terrible disaster for everybody involved. Why? And can we do something differently?

The Antibiotic Apocalypse Explained

S04 E03 • Wednesday, Mar 16, 2016 • Mar 16 • 6m

What is the Antibiotic Apocalypse? What is it all about? And how dangerous is it?

Space Elevator — Science Fiction or the Future of Mankind?

S04 E04 • Friday, Apr 8, 2016 • Apr 8 • 6m

So. Space elevators. Are they are thing that we should talk about?

Safe and Sorry — Terrorism & Mass Surveillance

S04 E05 • Thursday, Apr 14, 2016 • Apr 14 • 6m

How Far Can We Go? Limits of Humanity (old version)

S04 E06 • Thursday, May 12, 2016 • May 12 • 7m

Is there a border we will never cross? Are there places we will never be able to reach, no matter what? It turns out there are. Far, far more than you might have thought…

What Are You?

S04 E07 • Tuesday, May 31, 2016 • May 31 • 7m

So. Are you your body? And if so, how exactly does this work? Lets explore lots of confusing questions.

What Happened Before History? Human Origins

S04 E08 • Thursday, Jun 23, 2016 • Jun 23 • 10m

Humans. We have been around for a while now. When we think about our past we think about ancient civilizations, the pyramids, stuff like that. But this is only a tiny, tiny part of our history.

Death From Space — Gamma-Ray Bursts Explained

S04 E09 • Sunday, Jul 31, 2016 • Jul 31 • 6m

There are cosmic snipers firing at random into the unvierse. What are they and what happens if they hit us?

Genetic Engineering Will Change Everything Forever — CRISPR

S04 E10 • Wednesday, Aug 10, 2016 • Aug 10 • 16m

Designer babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be science fiction are suddenly becoming reality. The only thing we know for sure is that things will change irreversibly.

Genetic Engineering and Diseases — Gene Drive & Malaria

S04 E11 • Wednesday, Sep 21, 2016 • Sep 21 • 7m

We have the choice to attack one of our oldest enemies with genetic engineering. But should we do it?

The Most Efficient Way to Destroy the Universe — False Vacuum

S04 E12 • Friday, Oct 21, 2016 • Oct 21 • 6m

What if there is a way to destroy the universe so fundamentally that life as we know it will be impossible forever?

Fusion Energy Explained — Future or Failure

S04 E13 • Thursday, Nov 10, 2016 • Nov 10 • 6m

How does fusion energy work and is it a good idea?

The Most Gruesome Parasites — Neglected Tropical Diseases (NTDs)

S04 E14 • Wednesday, Nov 30, 2016 • Nov 30 • 6m

There are a group of parasites extremely disgusting and mean. Humanity declared war on them.

A New History for Humanity — The Human Era

S04 E15 • Wednesday, Dec 7, 2016 • Dec 7 • 8m

It is time to reframe how we think about our past. We need a new year 0 for humanity. But which one should we choose and why?

Overpopulation — The Human Explosion Explained

S04 E16 • Thursday, Dec 22, 2016 • Dec 22 • 7m

In a very short amount of time the human population exploded and is still growing very fast. Will this lead to the end of our civilization?