What causes colour blindness?

Reading Time: < 1 minuteCOLOUR BLINDNESS or colour vision deficiency (CVD) affects approximately 1 in 12 men and 1 in 200 women in the world. Colour blindness is usually a genetic or hereditary condition. Red/green and blue colour blindness is usually passed down from your parents. The gene which is responsible for the condition is carried on the X chromosome and this is the reason why many […]
Who invented iron?

Reading Time: < 1 minuteHAVE you ever imagine, without the invention of iron, our clothes will be always wrinkled. Our soldiers or cadets will wear wrinkled uniforms. An iron is an important electric device that helps make our clothes look neat. Ironing works by loosening the ties between the long chains of molecules that exist in polymer fiber materials. With the heat and the weight of […]
What is the colour of polar bears?

Reading Time: < 1 minuteIF you ask any child what colour is the polar bear fur, the answer will probably be white. But scientists after years of research have found that polar bears actually have black skins and colourless hair. Their thick hollow hairs reflect light to give its white-looking coat. Guard hairs, which protect the plush thick undercoat, are hollow and transparent. The thinner hairs of […]
Indonesia’s Bt sugarcane sees the light of day

Reading Time: 4 minutesThe Petri Dish editor-in-chief Dr Mahaletchumy Arujanan hosted an email Q&A with Prof Bambang Sugiharto (BS) and Dr Agus Pakpahan (AP) who were both involved in the development of the country’s first biotech crop. Bambang is from the Center for Development of Advanced Science and Technology (CDAST) and Department of Biology, Faculty of Mathematics and […]