Carbon Capture and Storage High coal dependence Renewable energy is much discussed, but coal still plays the greatest role in the generation of electricity, with recent figures from the International Energy Agency showing that China relies on it for 79% of its power, Australia for 78%, and the US for 45%. Germany has less reliance …
The Flavour Industry A. Read through the nutritional information on the food in your freezer, refrigerator or kitchen pantry, and you are likely to find a simple, innocuous-looking ingredient recurring on a number of products: “natural flavour”. The story of what natural flavour is, how it got into your food, and where it came from is …
Warning: Mondays are bad for your heart Warning: Mondays are bad for your heart A. That ‘Monday morning feeling’ could be a crushing pain in the chest which leaves you sweating and gasping for breath. Recent research from Germany and Italy shows that heart attacks are more common on Monday morning and doctors blame the stress …
Growing up in New Zealand It has long been known that the first one thousand days of life are the most critical in ensuring a person’s healthy future; precisely what happens during this period to any individual has been less well documented. To allocate resources appropriately, public health and education policies need to be based …
IS AID HURTING AFRICA? Despite its population of more than one billion and its rich land and natural resources, the continent of Africa remains poor. The combined economies of its 54 states equal that of one European country: the Netherlands. It is difficult to speak of Africa as a unit as its states differ from …
Global Warming Day after day we hear about how anthropogenic development is causing global warming. According to an increasingly vocal minority, however, we should be asking ourselves how much of this is media hype cud how much is based on real evidence. It seems, as so often is the ease, that it depends on which …
The return of monkey life Rain forest trees growing anew on Central American farmland are helping scientists find ways for monkey and agriculture to benefit one another. A. Hacienda La Pacifica, a remote working cattle ranch in Guanacaste province of northern Costa Rica, has for decades been home to a community of mantled howler monkeys. …
Questions 1-6 What does the speaker say about each of the following collections? Choose SIX answers from the box and write the correct letter, A-G, next to Questions 1-6. Comments A was given by one person B was recently publicised in the media C includes some items given by members of the public D includes some items given by the artists E includes the …
Whale culture A Most social scientists stubbornly resist the idea that animals have culture. Even such advanced cetacean mammals as whales and dolphins clearly don’t have art. literature, or architecture. But patient observation over many years has begun to reveal behaviors that can only have been learnt from other whales. And that, say whale biologists, …
The Discovery of Uranus Someone once put forward an attractive though unlikely theory. Throughout the Earth’s annual revolution around the sun, there is one point of space always hidden from our eyes. This point is the opposite part of the Earth’s orbit, which is always hidden by the sun. Could there be another planet there, …
