Early locust warning systems are key to minimizing natural disasters, returning up to 680 times investment

Indonesia plans to build a "giant sea wall," more than 500 kilometers long, to defend Java's north coast from rising sea levels.

Educators and researchers around the world, especially in countries with limited resources, need cost-effective, scalable tools for assessing early child development. Direct assessments, a commonly used approach, require children to complete a range of activities that measure academic, physical, and social-emotional skills. These assessments paint a nuanced picture of early child development and are useful to evaluate programs and policies. However, administering direct assessments often takes 3

Stored in an open-air warehouse in tropical Darwin, Australia, are dozens of trays containing cylindrical cores of rock. They are from drill holes bored hundreds of meters below the surface by mineral exploration companies decades ago.

In less than a millionth of a second after a nuclear detonation or a severe nuclear reactor accident, an enormous burst of energy heats the surrounding air and materials. Everything in the vicinity is vaporized into a hot, glowing cloud of gas and plasma. As that nuclear fireball expands, it mixes with air, begins to cool and condenses into tiny solid particles—creating nuclear fallout.