'Hales' presentation slideshows

1726 Stephen Hales first measures blood pressure in a horse

1726 Stephen Hales first measures blood pressure in a horse. 1796 Edward Jenner develops the world's first vaccine, against smallpox. Critics express skepticism, calling it ungodly to inoculate people with material from cows. . 1885 Louis Pasteur develops a vaccine for rabies.

623 views • 23 slides

Introducing SLA of phonology research: a historical perspective

Introducing SLA of phonology research: a historical perspective. SLA and contrastive linguistics. THE PAST: FOUNDATIONS. The 20th century contrastive studies, known under the name of Contrastive Analysis , originated out of the need to improve the methods of language teaching and learning. .

538 views • 22 slides

Blue whales

294 views • 6 slides