Toxic chemicals turn a new material from porous to protective
Garments covered in these thin films could block biological and chemical threats
![hazmat suit](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/04/040418_MT_chem-threat_feat.jpg?fit=860%2C460&ssl=1)
HIGH-TECH PROTECTION A newly developed, lightweight material that guards against chemical or biological contaminants could offer more comfortable protection than permanently sealed hazard suits.
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