Good thread!
Blind people dreaming - some do 'see' in their dreams, some don't. It's not necessarily related to whether they were born blind or not. Oliver Sacks' book 'In the mind's eye' is a great read if you are interested in this sort of thing and general questions about how we see.
Carrot seeds - are you familiar with the plant cow parsley (or Queen Anne's lace)? That's the same family as carrots and has the same type of flower, like a lacy umbrella hence the name for the plant group 'umbellifera', which produces the seeds.
What's outside the universe? Excellent question and one that it's impossible for someone inside the universe to answer, because it's impossible for us to see out. We might be inside another bigger universe, or there might be lots of other universes not attached to ours, or there might be nothing (but it's a complicated sort of nothing, not just a vacuum with no 'stuff' but also no space or time for the 'stuff' to be in).
'Up' and 'Down' aren't absolute, they are in relation to other things. There is no up or down in zero gravity in space. Earth is in space, so it doesn't really have a 'top' and a 'bottom' - we've only decided the southern hemisphere is the bottom half because the people who started making maps lived in the 'top' half. Things fall 'down' when we drop them on earth because of gravity - they are attracted towards the centre of the planet underneath them, not to the south pole. If you are in Australia you still have your feet on the surface of the planet, gravity still pulls towards the centre, so that is still 'down', not 'up'.
Cain and Abel married women from the land of Nod (which is also where Cain was banished to after killing Abel). Nod was already full of people.
Genesis does not 'get everything in exactly the same order as evolution'. In fact if you read it you will find Genesis actually contains two accounts of the creation, and doesn't even have things in the same order in both of those. (See also the two gospels giving completely different family trees for Jesus, and tracing his lineage from David to, er, Joseph.)
The bible contains a lot of metaphors but isn't entirely metaphor. It also contains bits of history, although they've been very garbled by being passed down as stories for thousands of years - the flood, for example, appears in various forms in a lot of cultures from the Middle East and adjoining areas; versions can be found in Indian religious stories, and writings by the Egyptians, Babylonians etc. They are all a bit different but there are enough similarities to make it likely that they are all accounts of a real event. See Robin Lane Fox's book 'The unauthorised version' for a comparison of the bible with other historical records. The mishmash of stories and histories from lots of different times and sources were compiled into the current 'official' bible in the 4th century - some were kept in, lots were left out, Christianity could have been very different if other bits had been selected.
Adjectives are describing words for nouns. So a red book or a tall child. Describing words for verbs - a fast walk - are called adverbs.
Who made the map of the world? There isn't one map of the world, there are thousands (or maybe millions). All made by different people, and none of them completely accurate.