Isaac Le Maire (c. 1558 in Tournai – September 20, 1624 in Egmond aan den Hoef) was a Walloon-born entrepreneur, investor, and a sizeable shareholder of the Dutch East India Company (VOC). He is best known for his constant strife with the VOC, which ultimately led to the discovery of Cape Horn. Isaac Le Maire was born in 1558 or 1559 in Tournai. He learned the trade from his merchant brother-in-law Jacques van de Walle. Isaac had four brothers, three of whom were merchants. Already in 1584 he was registered in Antwerp as a wealthy grocer. At the time, he was also captain of the company of the...

Popocatépetl (Spanish pronunciation: [popokaˈtepetl] (listen); Nahuatl: Popōcatepētl Nahuatl pronunciation: [popoːkaˈtepeːt͡ɬ]) is an active stratovolcano, located in the states of Puebla, Morelos and Mexico, in central Mexico, and lies in the eastern half of the Trans-Mexican volcanic belt. At 5,426 m (17,802 ft) it is the second highest peak in Mexico, after Citlaltépetl (Pico de Orizaba) at 5,636 m (18,491 ft). It is linked to the twin volcano of Iztaccihuatl to the north by the high saddle known as the "Paso de Cortés". Izta-Popo Zoquiapan National Park, wherein the two volcanoes are located...

The axolotl (; from Classical Nahuatl: āxōlōtl [aːˈʃoːloːtɬ] (listen)), Ambystoma mexicanum, also known as the Mexican walking fish, is a neotenic salamander related to the tiger salamander. Although colloquially known as a "walking fish", the axolotl is not a fish but an amphibian. The species was originally found in several lakes, such as Lake Xochimilco underlying Mexico City. Axolotls are unusual among amphibians in that they reach adulthood without undergoing metamorphosis. Instead of taking to the land, adults remain aquatic and gilled. Axolotls should not be confused with waterdogs, the...

Verbal fluency tests are a kind of psychological test in which participants have to produce as many words as possible from a category in a given time (usually 60 seconds). This category can be semantic, including objects such as animals or fruits, or phonemic, including words beginning with a specified letter, such as p, for example. The semantic fluency test is sometimes described as the category fluency test or simply as "freelisting", while letter fluency is also referred to as phonemic test fluency. The COWAT (Controlled oral word association test) is the most employed phonemic variant. Although...

Silfra is a rift formed in the divergent tectonic boundary between the North American and Eurasian plates and is located in the Þingvallavatn Lake in the Þingvellir National Park in Iceland. == Formation == Silfra lies in the Þingvellir valley and within the Þingvellir National Park. The valley, and Silfra itself, were formed by the divergent tectonic drift of the Eurasian and North American plates. The plates drift about 2 cm (0.79 in) farther apart every year, building up tension between the plates and the earth mass above. This tension is relieved through periodic major earthquakes at ...