One of the most important religious military orders, formed in the era of the Crusades.
Inhabitants of the northern part of the Netherlands have successfully fought the sea since the Middle Ages.
The American Civil War was fought between the Confederacy and the Union.
Concave and convex lenses are used for the correction of short-sightedness and long-sightedness.
Producing speech requires the synchronised operation of several cortical centres.
Articulated lorries play an important role in road transport.
This animation demonstrates the structure and operation of digital cameras.
สัตว์เลี้ยงลูกด้วยนมที่อยู่ในทะเล เป็นสัตว์ที่มีขนาดใหญ่ที่สุดเท่าที่เคยมีมา
เพนกวินเป็นนกที่อาศัยอยู่ในทวีปแอนตาร์กติก มีการปรับตัวให้เข้ากับอุณหภูมิที่หนาวเย็นและการว่ายน้ำ
This animation demonstrates the anatomy of tulips, daffodils and snowdrops.
This animation demonstrates the structure and operation of different types of optical disc drives.
The naval battle fought by the British Navy against the German Navy was the largest sea battle in World War I.
Solomon's temple became one of the most important symbols of Jewish architecture.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
งูพิษชนิดหนึ่งที่แพร่หลายในยุโรป การกัดของงูชนิดนี้มักไม่เป็นอันตรายถึงชีวิตมนุษย์
Gladiators were combatants who entertained audiences in fights against each other or wild animals in ancient Roman arenas.
The battleship USS Missouri, first deployed during WWII was also deployed in the Gulf War.
Electric current can be generated by rotating an armature loop in a magnetic field.
Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.