\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Washington, D.C. — The American Association for the Advancement of Science, one of the world’s largest general scientific societies and publisher of the Science family of journals, announces the 2024 ...

CBSE Class 12 Biology Exam 2025 analysis: The Central Board of Secondary Education (CBSE) conducted the Class 12 Biology examination today, March 25, 2025. The exam was structured to assess students’ ...

"This discovery sheds light on the fundamental neuronal interplay that influences how much energy the body uses and how the body adjusts to changes in temperature levels or food availability ...

Maintaining balanced blood sugar levels is key to keeping your energy steady throughout the day. To help with this, choose foods that nourish your body and provide essential vitamins and minerals.

Maintaining balanced blood sugar levels is key to keeping your energy steady throughout the day. To help with this, choose foods that nourish your body and provide essential vitamins and minerals.

One expert has told The i Paper that the end of the EBacc could mean that decline in language learning at GCSE level is “accelerated ... to the head of an organisation representing many ...

No need to stress! We’re here to break it down for you. The UCAS Tariff is a points-based system that assigns a numerical value to post-16 qualifications in the UK, like A Levels and Scottish Highers.

Pregnant women and newborns in Beijing carry blood lithium levels up to 20 times higher than those in a comparable industrial city in central China, an alarming new study has revealed. The ...