Substances, such as these carbon nanotubes, can behave differently at the nano-scale, and may post a health risk. ZEISS Microscopy/Flickr

Big questions about risk assessment of nanomaterials

We need to carefully assess nanomaterials to ensure their safety, but there are questions over whether the existing practice of risk assessment is up to the task.
The environment isn’t “out there”; it’s in us, and we’re part of it. Forest Wander/Flickr

Why we need to forget about the environment

Calls to “protect the environment” ring out across issues as diverse as climate change, biodiversity loss, deforestation, water conservation and chemical contamination. I believe it is time to abandon…

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