Global warming: Average carbon emissions breach 400 ppm mark to enter 'danger zone'
UN had expected 400 ppm mark to be reached much later this year or next.
Heart failure: Low awareness of symptoms puts many at risk in developed nations
Heart failure affects 26 million people globally.
Cern: LHC restarts collisions that will eventually explore black holes and dark matter
The LHC's next run is expected to throw light on dark matter, black holes and extra dimensions.
Animal behaviour: Social networks of the dolphin kind
Bottle-nosed dolphins have strong likes and dislikes of fellow mates.
First image of thunder taken when scientists create lightning in lab
Researchers captured a map of the boisterous bang radiating which could reveal the energies involved in lightning. The detailed map shows the varying sounds for the different frequencies.
Sea level: Past and present melting rates point to 3m rise by end of century
Accelerated rate of West Antarctica's land ice and computer simulations of the past warn of irreversible sea level rise.
Digoxin increases risk of death in heart patients by over 20%
The systematic review and meta-analysis of all studies published in peer-reviewed journals between 1993-2014.
Fracking fears: Drinking water foams with chemicals used in shale gas drilling
The chemicals traveled from shale gas wells more than two kilometers in the subsurface to drinking water wells.
Interpol issues global alert over 'dangerous' diet pill DNP
Alert follows death of British student Eloise Parry after consuming eight DNP pills.
Human DNA could have a sixth component suggests study
Besides the four bases A, T, C, G that go to form the DNA, there could be other epigenetic markers.
Global warming: Pledges made so far are just not enough says Stern
The world is on track to some radical transformations with major impact.
Buddha Purnima: Ancient Buddhist city in Afghanistan could be destroyed by copper mining
Billions of pounds worth reserves lie locked in the area rich in Buddhist treasures.
Health hazards from sitting for long hours offset by light activities done every hour
A study finds that standing may not be enough to mitigate the effects of prolonged sitting
Jupiter-sized exoplanet found near to small parent star puzzles astronomers
M dwarf stars are difficult to search for planets as they radiate little light.
Pulsar with widest orbit ever discovered by high school students
The students detected the pulsar in data obtained from the Green Bank Telescope.
China: New elusive bird species with unique song discovered
Sichuan bush warbler is a close relative of Russet bush warbler.
Nepal earthquake: 'Living goddess' temple in Kathmandu unscathed amidst ruins
Kumari Temple of child-goddess Yunika Bajracharya withstands killer quake.
Global cooling caused crops to die and ancient civilisation to collapse
Millets the staple crop died out to be replaced by wheat and barley.
Global warming: Man-made pollutants increase the cooling effect of Saharan dust
The presence of human pollutants increased the cooling effect, finds study.
Russian cargo spacecraft debris expected to hit Earth in a week
The exact location where the debris of M-27M will fall will be known in two days.
Geoengineering: Artificially whitening Arctic cannot restore climate
Plan to limit global warming would not reduce temperatures enough, study finds.
Antarctica: Vast network of salty, liquid water filled with life discovered under Dry Valleys
The region is similar to the valleys found on Mars raising hopes of similar salt water networks on the planet.
Russian supply spacecraft out of control, docking with ISS put off
The Progress 59 unmanned craft was carrying supplies to the space station.
Nepal earthquake: Landslide threat in coming weeks high in many locations says assessment
The computer analysis looked at earthquake shaking, slope steepness and the strength of rock types.
Pollination interrupted: How the bumblebee genome study can help
Researchers hope to study the different pressures exerted by pathogens and pesticides on the bee.
Global warming: 2C rise in temperature could see 5 fold increase in heat extremes
Extreme weather conditions can be attributed to man-made warming.
Predicting earthquakes: A mixed outcome, but improving with data crunching
Precursors of quakes are being measured to deliver almost 90% accuracy.
Nepal earthquake: Sedimentary basin on which Kathmandu sits 'amplified ground motion'
Berkeley report looks into reasons behind far-flung effects of the quake.
Messenger spacecraft counting last days before crash on 30 April
The crash is expected to leave a crater 16m wide on Mercury's surface.
HIV self-testing kit now on sale online gives results in 15 minutes
Unlike other self testing kits, the results do not have to be sent to lab for results.
