This video looks at reversible reactions and dynamic equilibrium: chemical reactions are reversible and may reach a dynamic equilibrium. The position of equilibrium of a reversible reaction can be ...

This video explains fractional distillation - the separation of crude oil into fractions.

Sarah Vine and Andrew Pierce bring their own no-holds-barred opinions, insights and reaction (clue is in the title) to the biggest stories of the week. New episodes every Wednesday, wherever you ...

The attack on the Christmas market in the German city of Magdeburg has sparked a strong reaction across the Arab world. Several Arab countries, including Saudi Arabia and Qatar, were quick to ...

The Uttarakhand Board of School Education (UBSE) is the education board responsible for school education in the state. UBSE ...