330 students
The development of calculus – or the measurement of rates of change, if you’ve never...
free
440 students
We are in a village somewhere in southern Africa a few hundred years ago. All...
free
125 students
Bangladesh is notable for having two female prime ministers continuously since 1991, except for a...
free
671 students
Of course, the million dollar question is if US support for Israel will continue forever....
free
655 students
Many objects on the microscopic level, such as molecules, atoms, nuclei, execute oscillations that are...
free
432 students
Grooming to keep clean and make face, hair, and skin look nice. So appearance looks...
free
511 students
On the morning of 17th July, 1918, the corpses of the last Tsar of Russia,...
premium
315 students
It is a property of a matter for which a material body able to regain...
free
117 students
In this lecture, we are looking at three stories – two of them very strange...
free
524 students
Rokeya Sakhawat Hossain was an influential social activist in British India, born in 1880 in...
free
463 students
To produce Newton’s rings a plano-convex lens of large radius of curvature is placed on...
free