World > Accident Archive The following list includes the date, target of attacks, and casualties of significant attacks by the terrorist goup al-Qaeda. 1993 (…
Most Dangerous Insects Mosquitos, flies, bees and wasps, and other insects by David Johnson Aggressive "killer bees" deliver a nightmarish, agonizing death by swarming all over their…
PERSONAL VOICEPRINTWAVE MAKERCONVERSATION IN SPACESPEED OF SOUNDFIND OUT MOREWhat would our world be like without sound? Complete silence might seem peaceful, but there would be no speech, music…
HOW ARE MOST GENERATORS POWERED? WHAT IS THE POWER GRID? WHAT IS ALTERNATING CURRENT? POWER GRID POWER STATIONSFIND OUT MOREElectricity has revolutionized the way we use energy. It can be generated…
WHAT IS LIGHT? HOW DOES LIGHT TRAVEL? WHAT ARE SHADOWS? WHAT MAKES SOME MATERIALS OPAQUE? REFLECTIONREFRACTIONLASERFIND OUT MORELight is a type of energy known as electromagnetic radiation. It is…
CAN PLANTS MOVE? WHICH ARE THE BIGGEST PLANTS? WHY DO PLANTS HAVE ROOTS? HOW DO PLANTS DEFEND THEMSELVES? PLANT CLASSIFICATIONPHOTOSYNTHESISTRANSPIRATIONFIND OUT MOREPlants are one of the five…
Hepatitis C: The Silent KillerViral HepatitisIntroductionHepatitis A: Thriving in Unsanitary ConditionsHepatitis B: 300 Million Carriers and GrowingHepatitis C: The Silent KillerHepatitis G: The New…
Source: National Aeronautics and Space Administration (NASA) To be able to explore and work in space, humans have to take their environment with them because there is no atmosphere to supply the…
A major religion of India and the fifth-largest faith in the world, Sikhism emerged in the Punjab under the guidance of the guru Nanak (1469–1539?). This region had been influenced by the Hindu…
ELECTRON MICROSCOPEFIND OUT MORESome objects are so small that our eyes cannot see them. We cannot see atoms or molecules, or the cells of our bodies, or viruses that carry disease. A…
