The spider doesn’t stick to the web because they walk carefully and secrete oils on their feet. This keeps them from sticking to their webs. Spiders […]

Cats, as well as some other animals, have specialised cells in their eyes called the tapetum lucidum. These cells are in a layer at the back […]

Most people would agree that there’s nothing better than a good night’s sleep. Stressful day at the office? Long hours doing yard work and housework? All […]

Kesan rumah hijau ialah pemanasan yang berlaku apabila kepekatan gas-gas seperti karbon dioksida, metana, nitrus oksida dan wap air meningkat dalam atmosfera lalu memerangkap haba daripada […]

Lautan Pasifik merupakan lautan terbesar di dunia. Di beberapa tempat, kedalaman lautan tersebut mampu mencecah ratusan kaki. Secara purata, kedalaman Lautan Pasifik ialah sekitar 14,000 kaki […]

Gua biasanya terbentuk daripada air mengalir melalui batu kapur. Apabila air hujan melalui udara, ia mengambil karbon dioksida daripada atmosfera dan membentuk larutan asid lemah yang […]