Coughing as a protective reflex Even the slightest irritation can set a remarkably complex protective mechanism in motion: we cough. Unpleasant though it may be, coughing serves a vital physiological purpose....
Walnut Tree vs. Competitors
Walnut Tree vs. Competitors
Plants are in constant competition for light, water and nutrients. Yet they do not rely solely on height, leaf area or efficient metabolism to gain an advantage. Many species also shape their immediate...
Seals vs decompression sickness
Seals vs decompression sickness
When depth poses no threat. With every metre below the water’s surface, ambient pressure rises. During descent, the change may be barely noticeable. On the way back up, however, it can become life-threatening...
Uranium
Uranium
A fine line between saving lives and overkill Attacks on Iranian nuclear facilities, disputes over access for inspections and debates about highly enriched uranium have brought the issue of geopolitical...
Tomato vs aphid
Tomato vs aphid
The sticky secret of the tomato plant Sweet-scented, juicy and rich in valuable nutrients: tomatoes are hard to imagine leaving out of our diet. Yet humans are not the only ones to appreciate their qualities....
