'Reduction in energy transmission may help reduce impact of mobiles'

With the health and safety aspects of using mobile phones and the radiation from its towers being a cause of concern for many, experts feel that reducing the energy transmitted per bit and adopting some precautionary measures can help in the long run.

NASA captures largest sunspot in two decades
NASA captures largest sunspot in two decades

NASA's Solar Dynamics Observatory (SDO) has spotted an image of a gigantic sunspot - the largest in last 24 years.

'Exposure to radiation levels high in India'

An average person in India is exposed to five to ten times higher levels of radiation than that in the US, according to Nobel Peace Prize winner Devra Davis.

EMF emissions do not cause health hazards: COAI

Cellular Operators Association of India, the apex body of mobile communications companies, today said the Electro Magnetic Field (EMF) emissions from antennae on cell towers and mobile handsets do not cause any health hazards.

Rare stem cells hold potential for infertility treatments

Rare stem cells in testis that produce a biomarker protein called PAX7 help give rise to new sperm cells - and may hold a key to restoring fertility, a new research suggests.

Fukushima radiation caused serious damage to wildlife: Study

A series of studies on the biological impact of the Fukushima disaster on non-human organisms has revealed that the radiation has affected the population, genetic makeup and the repair mechanisms of birds, monkeys, butterflies, and other insects to cope with the exposure.

Self-cooling solar cells to last longer

What if a solar cell could keep itself cool even in the blistering heat of the sun?

Moon pits can protect astronauts from radiation, dust

For astronauts exploring the lunar surface, there are some habitable places where they can hide to rescue themselves from radiation, micrometeorites, dust and wild day-night temperature swings.

Mobile phones could make men infertile

Men, who keep a mobile phone in their trouser pocket, could be affected with male fertility, according to a new study led by the University of Exeter.

Don`t talk to kids on mobile: Juhi Chawla

Actress Juhi Chawla in her new role as an anti-radiation activist today advised parents not to talk to their young kids on cell-phones to preempt any risk to their health from radiation.

Radiation from early universe may help prove Einstein`s theory of general relativity

Researchers have measured the minute gravitational distortions in polarized radiation from the early universe and discovered that these ancient microwaves can provide a cosmological test of Einstein`s theory of general relativity.

Chernobyl`s birds adapting to low-levels of radiation

A new research has suggested that birds can adapt to the low-levels of radiation found near Chernobyl, where the catastrophic nuclear disaster took place in 1986.

Radiation exposure puts astronauts at risk of cognitive impairment: Study

Scientists have claimed that rats exposed to high-energy particles, simulating conditions that astronauts would face on a long-term deep space mission, show lapses in attention and slower reaction times, even when the radiation exposure is extremely low.

Tiny devices that can control nuclear reactor are here

Call it future technology as engineers from University of Utah have fabricated the smallest plasma transistors that can withstand high temperatures and ionising radiation found in a nuclear reactor.

Second radiation release indicated at New Mexico site

New air sampling data from southeastern New Mexico`s troubled nuclear waste dump indicates there has been another small radiation release.

Radiation affects 13 US nuclear plant employees

A total of 13 employees of a New Mexico underground nuclear waste site were exposed to radiation, test results showed Wednesday.

New technique enables radiation-free detection of tumours

Scientists have developed a new technique to scan young cancer patients` bodies for tumours without exposing them to radiation.

`Elevated` radioactivity at UK nuclear plant: Operators

Elevated levels of radioactivity have been detected at the Sellafield nuclear reprocessing plant in Britain and staffing there has been reduced, its operators said on Friday.

Earth`s atmosphere suffers from `nuclear hangover`

Radioactive debris caused by nuclear bomb tests during the Cold War still exist in the Earth`s atmosphere, a new study has warned.

Sun emits another `X-class` solar flare

NASA`s Solar Dynamics Observatory captured Sun emitting an X1.1 class flare in the early hours last Sunday.