Tak’alik Ab’aj had a primary role in this transition, in part because it was vital to the long-distance trade route that connected the Isthmus of Tehuantepec in today's Mexico to present-day El ...

In the early 1950s there were four vaccines routinely used in the United States: diphtheria, tetanus, pertussis, and smallpox. Three of these vaccines (diphtheria, tetanus, and pertussis) were ...

Oropharyngeal cancers associated with Human Papillomavirus (HPV) are on the rise. Photo credit: Scientific Animations, CC BY-SA 4.0 The incidence of Human Papillomavirus (HPV)-associated oropharyngeal ...

Bacterial infections result from harmful types of bacteria, which are single, complex cells that invade your body. Bacteria can survive inside or outside your body without the need for a host.

The concept of the Kra Canal dates back to 1677 when Thai King Narai commissioned French engineer de Lamar to survey the Kra Isthmus for a possible canal. At the time, the idea was not to connect the ...

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