Here are a few competency-focused practice questions students should go through, as they provide a sense of the types and difficulty levels expected in the upcoming exams.

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Nov 28, 2025, 07:59am EST Map of the strength of the Earth's ...

Soft fibres that adapt their form and mechanical properties reversibly and rapidly under a magnetic field that is safe for human health have been developed and used to make yarns and fabrics. These ...

A long-standing explanation for magnetoresistance may be incomplete. New evidence suggests a universal interfacial mechanism ...