Book summaries, lifehacks, tips and psychology

Category: Science

The best Carl Sagan books to read in 2020

Carl Sagan wrote a lot of books. For many people he was the gateway to science and encouraged a mindset of curiosity and eagerness to learn.

He had an almost unnatural ability to break down and explain even the most complex of topics into understandable nuggets of information. A cool example of this is his Flatland presentation, where Sagan explains a concept that is impossible to imagine – the 4th dimension – and somehow makes it understandable.

7 Reasons CuriosityStream is Worth It (& 4 Reasons It’s Not)

“Is CuriosityStream worth it?”

You’ve probably seen the ads and the many sponsored YouTube videos about this streaming service for documentaries and are now wondering whether or not you should give the service a try.

CuriosityStream was founded by John Hendricks, the same person who also created the old, good Discovery Channel before it was overrun by reality TV and pseudoscience. As such, a good way to think about CuriosityStream is to see it like the old Discovery Channel / History, except that you can stream documentaries like on Netflix.

The overall quality of the documentaries is mostly solid. The cost is very attractive, especially after they reduced their prices by half in mid 2018.

It also offers lots of nifty and useful features, such as a passworded child-friendly mode, streaming on multiple devices from the same account etc.

That being said, CuriosityStream does have some negative points. Content growth can be rather slow. The 4K monthly subscription is a bit hard to justify since there aren’t very many 4K documentaries available.

It also comes with no content suggestion algorithm so you pretty much have to sift through the documentaries “by hand”.

How Long is a Moment? The 9 Different Ways to Measure It

A few hundred years ago, the word “moment” used to mean a precise amount of time, just like a minute equals 60 seconds.

Nowadays, we just use it to describe a very short period of time, but without any hard definition. This leaves room for some ambiguity, so here are a few ways to measure how long a moment is:

The best quantum physics explanation for ordinary people

The building blocks of the universe are particles and waves.

Particles, such as neutrons or atoms, come together to create bigger and more complex structures, like molecules. Put together 2 hydrogen atoms and 1 oxygen atom and you end up with a water molecule. Put many water molecules together and you have a glass of water.

Anagenesis and Cladogenesis: Definitions and Differences

Anagenesis and cladogenesis are the two main ways speciation occurs. One involved the slow transition of one species to another. Cladogenesis involved the separation of a species into two or more groups, with each group then becoming its own separate species.

What if an Artificial Intelligence chooses suicide?

Whenever we think of super intelligent AI’s, we imagine complex entities like Skynet in the Terminator movies or the machines in the Matrix series. Alternatively, they might be helpful, like many of the robots in the stories of Isaac Asimov.

The 5 chemicals that control your behavior

By now it’s no secret that chemicals in our brain play a crucial part in our psychological well being, but how exactly does the whole process work? And why does this aspect of human biology even exist?

Things you can learn from this article include:

  • Why we enjoy the feeling of dominating other people.
  • How you can create habits.
  • The evolutionary reason for boredom.

It may be possible to slow down aging or even stop it. Here’s how.



There are only two things certain in life, death and taxes. While there’s not much you can do about taxes, death seems to be a more manageable affair for pioneering scientists in the field of aging, or senescence.

Ending Aging author Aubrey de Grey is perhaps the most well known scientist in the field of aging, his research and vision has helped bring a largely ignored and underfunded field of biology firmly into the scientific mainstream.

Some of the things one can learn from this book:

  • Why we grow old and how we might be able to stop it
  • There’s a plausible method to curing cancer for good, but there’s a catch
  • Why politics and morality might be the biggest roadblock to aging treatments

This theory explains why you can’t love someone forever

If you are like me, you’ve probably been taught that fulfillment in one’s personal life means connecting with someone who you love and loves you back, marrying them and creating a stable and happy family. It seems so simple and natural, something inherently human and common to all of us.

But is it?

Sex at Dawn authors Christopher Ryan and Cacilda Jetha delve into our ancestors love lives and sexual relationships in a time when monogamy didn’t exist yet as a generalized way of life, and through their findings put forward a thought provoking theory in regards to our sex lives and relationships.

What you can learn from this book:

  • Why monogamy is unnatural for humans
  • Why women moan during sex
  • Why men and women have a different path to orgasm

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