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Articles on Nanotechnology

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We interact with nanoparticles in multiple ways every day. The nanoparticles in this illustration are delivering drugs to cells. (Shutterstock)

The nanoparticles in mRNA vaccines are nothing to fear: We interact with many useful, tiny particles every day

Some vaccine hesitancy is based on a fear of the nanoparticles used in mRNA vaccines. But humans have been interacting with nanoparticles for millennia, and we use nanotechnology-based devices every day.
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Liquid marbles: how this tiny, emerging technology could solve carbon capture and storage problems

Critics say investing in carbon capture and storage means betting on technology that’s not yet proven to work at scale. Using liquid marbles could make a huge difference.
Wildfire smoke contains a mixture of toxic pollutants that can be harmful to both the lungs and the brain. Bloomberg Creative/ Bloomberg Creative Photos via Getty Images

Neurotoxins in the environment are damaging human brain health – and more frequent fires and floods may make the problem worse

Pollution from more frequent floods and wildfires – exacerbated by the warming climate – is threatening human health and poses particular risks to the brain.
In the not-too-distant future, tattoos could become medical diagnostic devices as well as body art. LightFieldStudios/iStock via Getty Images

Dynamic tattoos promise to warn wearers of health threats

Researchers are developing tattoo inks that do more than make pretty colors. Some can sense chemicals, temperature and UV radiation, setting the stage for tattoos that diagnose health problems.
Red quantum dots glow inside a rat brain cell. Nanoscale Advances, 2019, 1, 3424 - 3442

Quantum dots that light up TVs could be used for brain research

These tiny nanoparticles might provide a new way to see what’s happening in the brain and even deliver treatments to specific cells – if researchers figure out how to use them safely and effectively.
A man walks through a greenhouse in northeastern Uganda where sustainable agriculture techniques such as drought-resistant crops and tree planting are taught, Oct. 19, 2017. AP Photo/Adelle Kalakouti

World hunger has risen for three straight years, and climate change is a cause

After declining for nearly a decade, the number of hungry people in the world is growing again. Climate change, which is disrupting weather patterns that farmers rely on, is a major cause.

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