How far away was that lightning?
Does counting really get you a good estimate for how far away the lightning is? Is this one of those old wives’ tales, or is it actually based on science?
Does counting really get you a good estimate for how far away the lightning is? Is this one of those old wives’ tales, or is it actually based on science?
As satellite images become more ubiquitous, we should reflect on where they come from, how they are created, and the purpose for their use.
Many people in rural southern Africa live without any potable water at all. And many are at serious risk because of global climate change.
Anyone visiting the western United States this summer should understand risks associated with wildfires, since once again the risk of fires is high in many areas.
The most exciting thing about organic semiconductors is that it’s possible to design molecules that are flexible, lightweight, colored or completely transparent.
Since the 1930s, the drink – a mix of mint, syrup, bourbon, water and crushed ice – has been the traditional cocktail of the Kentucky Derby.
Desert life depends on reliable access to water, but water can vary both in quantity and quality. People may be able to locate usable water sources and detect changes in the quality of sources they are already using by observing bats.
The debate about how open the internet should be to free expression – and how much companies should be able to restrict, or charge for, communication speeds – boils down to a conflict between the internet’s collaborative beginnings and its present commercialized form.
It took advances in manufacturing and tweaks to the recipe to make the pretzel the global snack it is today.
Our understanding of stratospheric ozone depletion has grown steadily since the mid-1970s, and scientists expect that we will continue to add to our knowledge of the ozone layer.