Fossil filmsPetrified woodFossil casts Perfect mouldsSurvivor toothMost fossils are more than 10,000 years old, but many date back to the beginnings of life on Earth. Fossils are formed when animal…
When a fossil arrives in a laboratory, it is usually embedded in a chunk of the rock it was found in. The first job for the specially trained technicians, called preparators, is to free the fossil…
ThyroidAnatomy and PhysiologyHormonesFeedback: Not Just for GuitarsHow Hormones WorkHypothalamus: The Head HonchoPituitary: The First LieutenantThyroidKidneys: Not Just for Urine!Pancreas and…
(Encyclopedia) rickets or rachitisricketsrəkīˈtĭs [key], bone disease caused by a deficiency of vitamin D or calcium. Essential in regulating calcium and phosphorus absorption by the body, vitamin D…
(Encyclopedia) hip, in human anatomy, the joint separating the thigh bone from the pelvis, and the surrounding flesh. The adult hipbone consolidates three bones separate in youth: the ilium, ischium…
PterodactylusFossilized Pterodactylus featuresPterodactylus profileFlamboyant headsPelican – the modern fish grabberSoaring high above the land-living dinosaurs were the pterosaurs, which means “…
(Encyclopedia) leukemialeukemial&oomacr;kēˈmēə [key], cancerous disorder of the blood-forming tissues (bone marrow, lymphatics, liver, spleen) characterized by excessive production of immature or…
The Nose KnowsAnatomy and PhysiologyThe SensesWindows to the SoulCan You Hear Me Now?The Nose KnowsDon't Be So Touchy! The sense of smell is perhaps one of the most ancient of senses. The ability…
CarnivoreTeethAwesome jawsStereoscopic eyesightLeg musclesModern hunters and scavengersTyrannosaurus profileAvailability of food for scavenging Tyrannosaurus was the biggest, fiercest, most…
Cells, Bells!Anatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs My first introduction to white blood cells was that old sci-fi classic, Fantastic…