The Hindu A LED-based signal installed on Anna salai in Chennai... Photo: M. Moorthy

LEDs disrupt sleep

In the frenetic, coffee-fuelled lives of today, too many people are not getting enough sleep. Modern light-emitting diodes (LEDs) used in energy-efficient lighting as well as television and compute... » 2 comments

‘Bilateral mastectomy is not a foolproof method’

The link between harbouring deleterious mutations in BRCA1 and BRCA2 genes and the risk to breast cancer and ovarian cancer, is not absolute. This means if 100 ladies have the same deleterious mut... » 1 comment

Using gold nanoparticles for drug delivery

Using bio-resources, scientists from the Indian Institute of Chemical Technology (IICT), Hyderabad, have synthesised eco-friendly gold nanoparticles which could be used as carriers for delivering a... »

Protests were held outside the U.S. Supreme Court on April 15, 2013.

BRCA case: will the court take the middle ground?

The U.S. Supreme Court is currently hearing a case on the validity of the isolated DNA and cDNA patents filed on BRCA1 and BRCA2 human genes used for diagnosing breast and ovarian cancer... » 1 comment

Question Corner

Iceberg ﬂotation

Why is a large part of an iceberg under water though ice is lighter than water? V. RAJALAKSHMI Chennai Ice floats in water because it is lighter (less dense) than... »

Agriculture

Farmers being briefed on right shed construction practices.

Two types of housing systems for dairy animals

Proper shelter plays a key role in improved milk production in dairy animals by protecting them from extreme weather conditions besides providing comfort.“Generally, in Haryana, farmers do... »

Management of white stem borer in coffee

Citrus greening : a deadly fruit disease

Breaking new ground

A slew of strategies to enhance income in Kannur, Kerala

More Agriculture »

Technology

Big step forward

Google’s developer meet I/O 2013, held at the famous Moscone Center in San Francisco, last week, rolled out some of the Internet giant’s plans for the coming year. Karthik Subramanian has the details »

Weekly Window

Darkest hour

The world is a web

Where has the middle class gone?

Mobile carriers of microbes

Facebook more of a ‘social burden’ for teens

A new generation unveiled

A jolly job hunt

Microsoft unveils Xbox One with live TV

Gadgets

Microsoft Xbox One gaming console on display at an event in Redmond.

Microsoft unveils Xbox One with live TV

Microsoft on Tuesday unveiled the next iteration of its Xbox videogame console, Xbox One, in its latest bid to keep its market share in the home entertainment system market. Microsoft’s c... »