What is the longest river in the world?

Planet Earth boasts some very long rivers, all of which have long and honored histories. The Amazon, Mississippi, Euphrates, Yangtze, and Nile have all played huge roles in the rise and evolution of human societies. Rivers ...

Papyrus plant detox for slaughterhouses

Humans have used the papyrus sedge for millennia. The Ancient Egyptians wrote on it, it can be made into highly buoyant boats, it is grown for ornamentation and parts can even be eaten. Now, writing in the International Journal ...

The detoxifying effect of microbes

Heavy metals and other toxins frequently contaminate food and water. The culprits read like a litany of bad actors—lead, cadmium, mercury, arsenic, chromium—but their numbers run into the thousands. Microbes have long ...

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