Hippos, the animal silicon pumps

The excrement of hippos plays an important role in the ecosystem of African lakes and rivers. Because there are fewer and fewer hippos, this ecosystem is in danger. In the long term, this could lead to food shortages at Lake ...

Uganda detects bird flu

Uganda announced Sunday it had detected bird flu among migratory birds, without specifying whether it was the particularly virulent H5 strain detected this season in countries worldwide.

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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