New Scientist: Some mouse sperm try to sabotage rivals in race to fertilise the egg Sperm have one goal – to reach the egg and fertilise it – and it seems that some mouse sperm cells carrying a certain genetic mutation may boost their chances of doing so by sabotaging their rivals. Some mouse sperm try to sabotage rivals in race to fertilise the egg Knowing how to fertilise a lawn correctly is often the difference between a lush, thriving lawn and a patchy brown one. A good feed will make the grass greener and thicker, while at the same time ...

Understanding the Context