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Articles on Biochemistry

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Her deep breath has to get to the baby. electravk/Moment via Getty Images

How does a baby ‘breathe’ while inside its mom?

A fetus needs oxygen long before its lungs work and it’s exposed to the air. Some ingenious biochemistry explains how the mother’s blood delivers it.
At a molecular level, stresses and strains can make your body clock break into a sprint. Lightspring/Shutterstock

Tick, tock… how stress speeds up your chromosomes’ ageing clock

Emerging evidence suggests that prolonged stress exposure can accelerate the ticking rate of an internal cellular clock. By doing so, stress can contribute to faster ageing and body deterioration.
Ever wondered how the small, white ibuprofen pill turns off your headache? from shutterstock.com

Explainer: how do drugs work?

Have you ever wondered how the small white ibuprofen pill turns off your headache? Or how a regular antidepressant keeps your brain chemistry in balance?
Tomas Lindahl, pictured here in the lab, along with Paul Modrich and Aziz Sancar, received the Nobel Prize for Chemistry. EPA/FACUNDO ARRIZABALAGA

Nobel Prize in Chemistry highlights how our bodies can repair our fragile DNA

The recipients of this year’s Nobel Prize for Chemistry showed that DNA is far from static. Rather, it is bombarded by damaging forces, but our bodies know how to repair these precious strands.
Stephens’ banded snake is one of Australia’s few arboreal (tree-dwelling) venomous snakes. Timothy Jackson

Why I Love: surrounding myself with venomous critters

Most people avoid venomous creatures, but they can also teach us a lot about chemical reactions that take place outside of the body - or exochemistry.

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