Harvey describes the circulation of the blood
William Harvey publishes De Motu Cordis, demonstrating that the heart pumps blood in a continuous circuit around the body.
William Harvey publishes De Motu Cordis, demonstrating that the heart pumps blood in a continuous circuit around the body.
Isaac Newton, founder of classical mechanics and co-inventor of calculus, is born at Woolsthorpe, England.
Isaac Newton publishes "Philosophiæ Naturalis Principia Mathematica", setting out the laws of motion and universal gravitation.
Edward Jenner inoculates the boy James Phipps with cowpox material, pioneering vaccination against smallpox.
Michael Faraday discovers that a changing magnetic field induces an electric current, the principle behind generators and transformers.
The physician John Snow links a London cholera outbreak to a public water pump, a founding moment of modern epidemiology.
Charles Darwin sets out the theory of evolution by natural selection.
James Clerk Maxwell publishes "A Dynamical Theory of the Electromagnetic Field", unifying electricity, magnetism and light.
From alpha-particle scattering experiments, Ernest Rutherford proposes that the atom has a small, dense, positively charged nucleus.
Alexander Fleming notices Penicillium mould killing bacteria, paving the way for the antibiotic era.
James Watson and Francis Crick publish the double-helix model of DNA in Nature, drawing in part on Rosalind Franklin's X-ray diffraction data.
Dolly the sheep, the first mammal cloned from an adult somatic cell, is born at the Roslin Institute in Scotland.
The Human Genome Project announces it has sequenced the vast majority of the human genome.
The United Kingdom gives the first doses of the fully authorised Pfizer–BioNTech COVID-19 vaccine, beginning a global vaccination campaign.