IELTS READING – The Risks of Cigarette Smoke S49AT2
IELTS READING S49AT2 The Risks of Cigarette Smoke Discovered in the early 1800s and named nicotianine, the oily essence now called nicotine is the main active ingredient of tobacco. Nicotine, however, is only a small component of cigarette smoke, which contains more than 4,700 chemical compounds, including 43 cancer-causing substances. In recent times, scientific research […]
IELTS READING – THE SCIENTIFIC METHOD S49AT3
IELTS READING S49AT3 THE SCIENTIFIC METHOD A. ’Hypotheses,’ said Medawar in 1964, ‘are imaginative and inspirational in character’ they are ‘adventures of the mind’. He was arguing in favour of the position taken by Karl Popper in The Logic of Scientific Discovery (1972, 3rd edition) that the Q36 nature of scientific method is hypothetico-deductive and not, […]
IELTS READING – A Remarkable Beetle S50AT1
IELTS READING S50AT1 A Remarkable Beetle Some of the most remarkable beetles are the dung beetles, which spend almost their whole lives eating and breeding in dung. More than 4,000 species of these remarkable creatures have evolved and adapted to the world’s different climates and the dung of its many animals. Australia’s native dung beetles […]
IELTS READING – THE ROCKET FROM EAST TO WEST S49AT1
IELTS READING S49AT1 THE ROCKET FROM EAST TO WEST A. The concept of the rocket, or rather the mechanism behind the idea of propelling an object into the air, has been around for well over two thousand years. However, it wasn’t until the discovery of the reaction principle, Q5 which was the key to space […]