
Blood Sugar Explained: Glucose, Insulin and Diabetes
Learn how glucose and insulin regulate blood sugar, why levels change after meals and how A1C and fasting glucose help diagnose diabetes.
Science, health, medicine, research, climate and the environment.

Learn how glucose and insulin regulate blood sugar, why levels change after meals and how A1C and fasting glucose help diagnose diabetes.

Learn what blood pressure numbers mean, normal and high BP levels, causes, symptoms, home monitoring and how hypertension is treated.

Learn what blood pressure numbers mean, the difference between systolic and diastolic pressure, and how common readings are interpreted.

Marie Curie’s story is often told as a triumph over prejudice. It was that, but it was also a story about painstaking measurement, collaboration, dangerous materials, institution-…

Learn what loneliness means, how it differs from being alone, why it affects health and what can help rebuild meaningful social connection.

Darwin built natural selection through decades of fossils, experiments, correspondence and evidence—not one sudden revelation in the Galápagos.

Strong social connection is linked with better health and lower mortality risk, but relationships are not a guaranteed formula for living longer.

Heart health depends on protecting the whole cardiovascular system through movement, nutrition, risk-factor control, screening and appropriate medical treatment.

Rest and recovery help restore physical and mental capacity. Learn why sleep, breaks, rest days and downtime support health and performance.

Explore Isaac Newton's life, gravity, laws, calculus and optics, plus the real apple story, rivalries, alchemy and Royal Mint career.

Explore Galileo Galilei’s life, discoveries, telescope, heliocentrism and 1633 trial, plus the evidence and myths behind his scientific legacy.

Explore Albert Einstein’s life, relativity, E=mc², Nobel Prize, quantum discoveries and the myths behind the world’s most famous physicist.