Microplastics threaten ecosystems of Dhaka rivers

Tiny plastic particles have been found in abundance in the surface water and underlying sediments of several lakes and peripheral rivers of Dhaka, according to a new study which researchers say sheds light on the environmental ...

Metabolically engineered bacterium produces lutein

Lutein is classified as a xanthophyll chemical that is abundant in egg yolk, fruits, and vegetables. It protects the eye from oxidative damage from radiation and reduces the risk of eye diseases including macular degeneration ...

Scientists discover how mitochondria import antioxidants

Many of the processes that keep us alive also put us at risk. The energy-producing chemical reactions in our cells, for example, also produce free radicals—unstable molecules that steal electrons from other molecules. When ...

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