8 mins

Navigating the nanotechnology risk landscape – pointers for early career scientists

Navigating the risk landscape that surrounds nanotechnology development can be a daunting task – especially if you are an early career researcher just getting started in the field.  There are plenty of studies and speculations around what might – or might not – be risky about nanoscale science and engineering.   But surprisingly, there are relatively ...

A fifth grader (and up) introduction to nanotechnology

What is Nanotechnology

The latest video from Risk Bites takes a four minute dive into what nanotechnology is, and why it’s important.  It was created as a primer for 5th graders – which probably means that there’ll be a lot of 5th graders at heart watching it! It also takes a somewhat less than conventional approach to nanotech: The ...

3 mins

What’s the latest on carbon nanotube safety?

Single walled carbon nanotubes

Just a few years ago, carbon nanotubes were front and center of discussions around the safety of engineered nanomaterials.  These days, not so much. So what happened?  Did we do the science and discover that they’re just as safe as any other form of carbon? Or did they simply slip off the safety radar? In ...

8 mins

Nanoparticles in baby formula: should parents be worried?

Nanoparticles in baby formula

There’s a lot of stuff you’d expect to find in baby formula: proteins, carbs, vitamins, essential minerals. But parents probably wouldn’t anticipate finding extremely small, needle-like particles. Yet this is exactly what a team of scientists here at Arizona State University recently discovered. The research, commissioned and published by Friends of the Earth (FoE) – ...

With carbon nanotubes in the news again, where’s the public interest in possible risks?

Back in 2008, carbon nanotubes – exceptionally fine tubes made up of carbon atoms – were making headlines. A new study from the U.K. had just shown that, under some conditions, these long, slender fiber-like tubes could cause harm in mice in the same way that some asbestos fibers do. As a collaborator in that ...

Are you breathing carbon nanotubes, and should you be worried?

Are you breathing carbon nanotubes and should you be worried

For over two decades, carbon nanotubes have been attracting attention.  First, they were seen as a super-strong, super-conductive new form of carbon that could potentially revolutionize everything from space travel to drug delivery.  Later, concerns were raised that these long, thin, fiber-like materials might cause or exacerbate lung diseases if inhaled. Now, a new study ...

3 mins

For tech innovation to succeed, we need parallel innovation in how we think about risk

For tech innovation to succeed, we need parallel innovation in how we think about risk

In October 2014, Google announced it was working on an innovative nanotechnology-based approach to avoiding and managing disease. The idea was to create a pill that would deliver magnetic, functionalized nanoparticles from the gut to the bloodstream. Once there, they would circulate — presumably for days, or longer — picking up biomarkers of disease along ...

Characterizing nanoparticles in the 1880’s

Characterizing nanoparticles in the 1880s

On May 29th, there were 52,000 nanoparticles per cubic centimeter of air measured at the top of the Eiffel Tower. This may not seem the most compelling opening to an article, until you realize that the measurement was made in 1889 – over 100 years before nanotechnology and nanoparticles began hitting headlines as one of the most talked about emerging technologies in recent decades. The particles were measured by the Scottish scientist John Aitken, using his newly developed device for counting airborne dust particles.

Step by step guide to making a Risk Bites video

Step by step guide to making a Risk Bites video

Just for the fun of it, I decided to live-tweet the making of the previous Risk Bites video (Five things worth knowing about nanoparticles and sunscreens – posted June 15 2014). [View the story “Making a Risk Bites video” on Storify] The whole six and a half hours from finalizing the script to posting the ...

3 mins

Carbon nanotubes as a potent cancer promoter – new data from NIOSH

On Monday, the National Institute for Occupational Safety released new data on the potential role multi-walled carbon nanotubes play as a cancer-promoter – a substance that promotes the development of cancer in the presence of a carcinogen.  In the study, mice were injected with methylcholanthrene – a cancer initiating agent – and subsequently exposed to ...

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