April 2007 (Archive)
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News | Archive (April 2007)

Archived news stories published in April 2007 [chronologically, reverse order]

Plants do not emit methane

— 27 Apr 2007 | Environment

A recent study in Nature suggested that terrestrial plants may be a global source of the potent greenhouse gas methane, making plants substantial contributors to the annual global methane... — full story

Ultraviolet fluorescence microscopy image of a stigma of an Arabidopsis plant that has been genetically modified to resist self-pollination, (c) Nasrallah LabTracking genes for self-pollination in Arabidopsis

— 27 Apr 2007 | Biology

Some plants need a partner to reproduce. Pollen from one plant pollinates the stigma of another, and a seed is formed. But other plants can self-pollinate, a handy survival mechanism... — full story

North American grizzly bear (Ursus arctos) in Denali National Park, Alaska, (c) Mark ChappellHibernating bears conserve more muscle strength than humans on bed rest do

— 24 Apr 2007 | Biology

A fascinating new study from the recent issue of Physiological and Biochemical Zoology quantifiably measures the loss of strength and endurance in black bears during long periods of... — full story

Prehistoric mystery organism confirmed as giant fungus

— 23 Apr 2007 | Geology and palaeontology

Scientists at the University of Chicago and the National Museum of Natural History in Washington, DC, have produced new evidence to finally resolve the mysterious identity of what they... — full story

Detail of a pteridosperm, an extinct seed-producing fern-like plant, (c) Dr Howard Falcon-LangThe first rainforest of our planet unearthed

— 23 Apr 2007 | Geology and palaeontology

A spectacular fossilised forest has transformed our understanding of the ecology of the Earths first rainforests. It is 300 million years old. The forest is composed of a bizarre mixture... — full story

The mountain gorillas of Uganda increase in number

— 20 Apr 2007 | Biology

The most recent census of mountain gorillas in Ugandas Bwindi Impenetrable National Park - one of only two places in the world where the rare gorillas exist - has found that the population... — full story

Study shows three genetically distinct groups of chimpanzees

— 20 Apr 2007 | Biology

The largest study to date of genetic variation among chimpanzees has found that the traditional, geography-based sorting of chimps into three populations - western, central and eastern... — full story

New bird genus discovered in the Solomon Islands

— 20 Apr 2007 | Biology

New genera of living birds are rare discoveries - fewer than one per year is announced globally. David Steadman and Andrew Kratter, ornithologists at the Florida Museum of Natural History,... — full story

Why some aphids can not stand the heat?

— 20 Apr 2007 | Biology

For pea aphids, the ability to go forth and multiply can depend on a single gene, according to new research. An overheated aphid with a mutation in that gene can not reproduce. The... — full story

The secret of what makes plants flower unlocked

— 19 Apr 2007 | Biology

The study reveals the likely mechanism by which the Arabidopsis plant flowers in response to changes in day length. Earlier research had shown that plants leaves perceived seasonal... — full story

April 2007 — 16 stories
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