Once there’s thermal equilibrium between the two temperature differences, the thermal transfer stops. Cross-section and path of travel both play an important part in conduction.

We compare Botox and dermal fillers, examining their uses, costs, and possible side effects. Learn more about the differences between them here.

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Learn about what notional and market value are, and how to calculate the notional value of a futures contract.