Do plants need sunlight?
How did our stable body temperatures evolve?
Our warm bodies come at such a huge metabolic cost that experts cannot agree on why this ability has evolved at all. How do we and other animals come to stay warm, whilst keeping our cool?
Heated eyes give swordfish deep-sea ‘night vision’
Some 300m below the ocean surface it is always twilight, and cold… The water is barely above zero. Fast-moving squid…
Is the ichneumon beautiful?
No, don’t be ridiculous The old man was deeply troubled. Beyond his book-lined study the apparently peaceful scene masked a…
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