Topic Details (Notes format)

Which Greek letter is often used to denote an angle in polar coordinates, typically measuring from the positive x-axis?

Who discovered the blood-brain barrier?

Which river forms part of the border between Mexico and the United States?

Who discovered the mechanism of muscle contraction?

Which political philosopher wrote ‘Leviathan,’ describing the social contract?

Which element has the chemical symbol "Yb"?

Who discovered the Higgs boson?

Which element has the chemical symbol "Ni"?

Which planet is known as the ‘Morning Star’ or ‘Evening Star’ due to its visibility at dawn or dusk?

In astronomy, which term describes the apparent path of the Sun across the sky over a year?