The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical size limit, and can literally grow endlessly. Although in reality specific things need to happen to create different kinds of black holes, from really tiny ones to the largest single things in the universe. So how do black holes grow and how large is the largest of them all?

Sources & further reading: https://sites.google.com/view/sources-largest-black-hole/

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How much time do you have left?

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Size is the most under appreciated regulators of living things. Let us demonstrate that by throwing animals from buildings.

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Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.

Let's take a look at what time is and how it works – in our first video of the year!

Sources & further reading: https://sites.google.com/view/sources-what-is-time

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Automation in the Information Age is different.

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What happens if we bring the sun to Earth? No, seriously.

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Leaving earth to find new homes in space is an old dream of humanity and will sooner or later be necessary for our survival. The planet that gets the most attention is Mars, a small, toxic and energy poor planet that just about seems good enough for a colony of depressed humans huddled in underground cities.

But what if we think bigger? What if we take Venus, one of the most hostile and deadly places in the solar system and turn it into a colony? Not by building lofty cloud cities, but by creating a proper second earth? It might be easier than you think.

Sources & further reading: https://sites.google.com/view/sources-terraform-venus/

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Friends make life good. They provide the scaffolding that makes it not just bearable but fun. They give us a sense of meaning and purpose and are a source of security, self esteem and happiness. Almost nothing predicts how happy you will be as how connected you feel and a lack of social connection is associated with a number of diseases and a shorter life.

But maybe you have scrolled through your phone, unsure who to call to go to a movie with, to celebrate with or ask for comfort. You may realize that you don’t have enough friends and feel lonely. And it is not just you. Disconnectedness and loneliness are widespread.

Many people want more close friends but don’t know how to get them.

Sources & further reading: https://sites.google.com/view/sources-friendship/

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If you could decide today... how long do you want to live?

Sources & further reading: https://sites.google.com/view/sources-aging-part-i/

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