1 What is the universe made of? Astronomers face an embarrassing conundrum: they don't know what 95% of the universe is made of. ...
2 How did life begin? ...
4 What makes us human? ...
5 What is consciousness? ...
6 Why do we dream? ...
7 Why is there stuff?
Answers
Answer:
1) dark matter, planets, stars.
2) The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.
3) Some examples of the human phenotype is the use of language, having and showing emotions, creating tools to make tools, the use of fire, living in groups, creating social identities, the division of labor, using empathy, being able to distinct between right and wrong and realizing responsibility and intentionality.
4) Consciousness refers to your individual awareness of your unique thoughts, memories, feelings, sensations, and environments. Essentially, your consciousness is your awareness of yourself and the world around you. This awareness is subjective and unique to you.
5) One widely held theory about the purpose of dreams is that they help you store important memories and things you've learned, get rid of unimportant memories, and sort through complicated thoughts and feelings. Research shows that sleep helps store memories.
6) Pretty much every ancient culture came up with its own creation story - most of them leaving the matter in the hands of the gods - and philosophers have written reams on the subject. But science has had little to say about this ultimate question.
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