It takes a long time to carry out an historic accomplishment in science because you have to take a long time to find out something new and have it become part of science.
nothing
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Yes, you can take your laptop in your carry-on luggage.
Take a look at this site.
Most Science requires some mathematics, but not all math needs science.
Nothing - If you "take off your hat to someone" you are acknowledging a talent, accomplishment or effort of that person.
Domestication of the Camel.
Inventing the potato peeler, Deciding when to take his bath etc etc
To keep yourself motivated and take good care of yourself.
Yes, you can take a PC on a plane as carry-on luggage.