Yes. Jews have consistently supported the scientific endeavor. Maimonides, a famous rabbi, was also the Chief Surgeon of the Islamic Caliph in Cairo. Religious Jews may have issues with parts of science that directly oppose Biblical verses such as evolution or Old-Earth, but no Jew has ever postulated that using science to understand physics, Biology, chemistry, or any other scientific discipline is an affront to God and most Jews understand that studying science as a matter of "how the world works" is encouraged by Judaism. As a result, Jews believe in the validity of modern medicine, even if it comes from non-kosher sources, (in addition to prayer and visiting the sick) as well as modern conveniences (unless they provide no desirable use).
Jews, however, do not see science as providing any moral guidance in the world (contrary to some Atheists like Sam Harris) since all moral guidance comes from the Torah.
They technically are not allowed to do that. If it is a valid coupon, then they are legally not able to not accept it from certain people.
No
is it testabel or good
Maybe becasue it is not a valid address.
Science relies on repeatable, redundant results from experiments in order to consider it valid.
Evidence makes all observations and answers in science valid.Evidence.
YES
Because if scientists aren't open-minded, they could try to discredit or change the results of a valid experiment, or not accept a theory that may actually be right, and discredit the theory, therefore stopping progress in science.
Always. Every time. Science is not valid if one can not reproduce the results. QED
Science/Natural Law
Science has no agreed upon valid answers. Generally in science, validity refers to the extent in which a conclusion or measurement corresponds accurately to reality.
Yes, they are still valid for postage at their purchase value, 33 cents.