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Science and Technology - Briefs

Issue Date: Dec 31, 2013
ASTROPHYSICS Black hole jets emit iron, nickel

Science and Technology - Briefs

Issue Date: Oct 15, 2013

Science and Technology - Briefs

Issue Date: Apr 30, 2013

Science and Technology - Briefs

Issue Date: Oct 31, 2012
HEALTH SCIENCES The villain gets nastier The toxin bisphenol A (BPA) is found in plastics, dental sealants and grocery receipts. It is a known hormone disrupter. But its impact on the hormones produced by the thyroid gland remain unknown. These hormones are essential for cognitive development of children.

Short circuit

Issue Date: Mar 15, 2006
STRAIT FORWARD A 150-year-old dream acquires shape

Still life in waves

Issue Date: Jan 15, 2006
After the deluge, it's us

Neptune's sorrows

Issue Date: Aug 15, 1999
Losing colour From central America to Austrelia, from the 2,000-km Great Barrier Ref to the small, reefs in Pacific islets, bleaching takes the life out of corals the world over

Seaweeds threaten corals

Author(s): Indu Mathi S
Issue Date: Nov 30, 2011
FOR LONG scientists have warned about rapid destruction of corals. Rising ocean temperatures and marine pollution have been identified as the possible causes. Now scientists at Georgia Institute of Technology in the US have found another culprit—seaweeds.

Dilemma of the Caribbean

Author(s): Tiasa Adhya
Issue Date: Oct 15, 2011
ELKHORN coral looks just like elk antlers. With its complex, large branches, this important reef-building coral in the Caribbean is haven to numerous reef species. But, not any more. The Caribbean has lost 90 per cent of the coral in 15 years. Apart from human activity and warming of seas, a disease called white pox is blamed for making elkhorn coral an endangered species.

The noisier, the healthier

Issue Date: Nov 15, 2010
CORAL reefs that offer exotic ocean views can be surprisingly noisy places, with tiny fish and invertebrates like lobsters, sea urchins, squids and corals producing a relentless cacophony of squeaks and grunts. UK scientists recently listened to these noises and found the noisier the reef the better is its health; meaning, the reef has more living corals, offering shelter to large numbers of fish and other marine animals.
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