Visual stimuli are measured in frames per second. … Some experts will tell you that the human eye can see between 30 and 60 frames per second. Some maintain that it’s not really possible for the human eye to perceive more than 60 frames per second. What is the mostRead More →
There are many different types of pigments in nature, but chlorophyll is unique in its ability to enable plants to absorb the energy they need to build tissues. Chlorophyll is located in a plant’s chloroplasts, which are tiny structures in a plant’s cells. This is where photosynthesis takes place. WhatRead More →
Oogamy: in humans and mammals, one of the gametes, male gamete or sperm, is motile and the other gamete, egg, or female gamete is non-motile. This condition is known as oogamy, wherein a large non-motile egg is fertilized or will fuse with a small and motile sperm to form theRead More →
A baby’s body has about 300 bones at birth. These eventually fuse (grow together) to form the 206 bones that adults have. Some of a baby’s bones are made entirely of a special material called cartilage (say: KAR-tel-ij). Other bones in a baby are partly made of cartilage. What areRead More →
Yes, all objects, including human bodies, emit electromagnetic radiation. The wavelength of radiation emitted depends on the temperature of the objects. Such radiation is sometimes called thermal radiation. Most of the radiation emitted by human body is in the infrared region, mainly at the wavelength of 12 micron. What emitsRead More →
They are found throughout the body, but are most abundant in the reticular tissue of soft organs, such as liver and spleen, where they anchor and provide structural support to the parenchyma (the functional cells, blood vessels, and nerves of the organ). Where are connective tissues found in the bodyRead More →
Scientific view The brain. The brain is the control centre of the nervous system and is located within the skull. … The lungs. The lungs are two sponge-like, cone-shaped structures that fill most of the chest cavity. … The liver. … The bladder. … The kidneys. … The heart. …Read More →
It seems an obvious question: “Why can’t victims of human trafficking just walk away?” Unfortunately, the reality of this crime makes it incredibly difficult for its victims to escape. What do human traffickers do with their victims? Human trafficking involves the use of force, fraud, or coercion to obtain someRead More →
There are two types of bone marrow: red and yellow. Red bone marrow is where all new red blood cells, white blood cells, and platelets are made. Platelets are small pieces of cells that help you stop bleeding when you get a cut. Do human bones turn black? Over timeRead More →
Auckland’s regional parks, the Auckland Botanic Gardens in Manurewa and Parnell Rose Gardens have prohibited the scattering of ashes in their parks and gardens. Ash scattering is also discouraged in local parks and on sports fields, where visitors picnic, exercise and relax. Why is it illegal to spread ashes? MostRead More →