Articles on Rainforest

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Leeches suck blood because it is a very good food for them. Some leeches only need to feed once a year. Pixabay

Curious Kids: why do leeches suck our blood?

The short answer is that leeches need blood to grow and reproduce. But it's in their interests to do it carefully, without causing too much pain, and in spots that are hard to find.
The world’s remaining wilderness. Dark blue = terrestrial. Light blue = marine. Modified with permission from Protect the last of the wild, Watson et al, Nature (2018)

Five maps that reveal the world’s remaining wilderness

Zooming in on deforestation and other wild habitat loss can help us work out how best to protect wilderness.
Leaf sizes vary according to a complex mix of temperature and water. Peter Wilf/Supplied

New research unlocks the mystery of leaf size

Some leaves are millimetres across, and others are a metre square. An international study has found the essential factors controlling leaf variations.

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