Zimbabwe weighs cost of too many elephants

A herd of elephants hobbles past a cluster of acacia trees to a water-hole deep in Zimbabwe's vast Hwange game reserve, attracted by the drone of generators pumping water round the clock into the pool.

New approach to 'spell checking' gene sequences

(Phys.org) -- A PhD student from CSIRO and the University of Queensland has found a better way to 'spell check' gene sequences and help biologists better understand the natural world.

Gum arabic potential cure for Sudanese ills

Since he was 14, Al-Amin has tapped gum arabic, the resin of an acacia tree that thrives in Sudan's conflict states -- "manna" from heaven for some, a key ingredient in Coca-Cola for others.

This beetle uses eggs as shields against wasps

(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.

Africa's tree belt takes root in Senegal

An ambitious plan to build a vast forest belt straight across Africa to contain desertification has taken root in Senegal, greening huge tracts of land with drought-tolerant tree species.

Acacias use ants to guard flowers

(PhysOrg.com) -- Research by Dr Nigel Raine, Senior Lecturer in Animal Behaviour at Royal Holloway, University of London has revealed how a special plant-ant relationship thrives on give and take for mutual benefit.

Climate change may wake up 'sleeper' weeds

(PhysOrg.com) -- Climate change will cause some of Australia’s potential weeds to move south by up to 1000km, according to a report by scientists at CSIRO’s Climate Adaptation Flagship.

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