Dams drain the life out of riverbanks
Article Abstract:
A Swedish study showed that rivers with hydroelectric dams and reservoirs supported up to 1/3 fewer plant species than unregulated rivers in the same regions. The results suggest it may be better to close down some systems to restore natural flow than to increase flow incrementally across the board.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1997
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How males and females achieve X equality
Article Abstract:
Researchers have determined that the gene-regulating mechanism dosage compensation works in species as diverse as the fruit fly, nematode and mouse by altering the structure of chromatin, the material that gives chromosomes their coiled structure.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1995
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The trials and tribulations of cracking the prehistoric code
Article Abstract:
The rigor of ancient DNA research and the origins of Europeans and native Americans emerged as major topics at the Jul 1995 Ancient DNA II conference in Oxford, United Kingdom. Research reported on each of the topics is briefly discussed.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1995
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