Tropical forests now emit more CO2 than they remove

Fri, 09/29/2017 - 15:36

New York, Sep 29 (IANS) Long thought to be a carbon sink, the world's tropical forests now release more carbon dioxide (CO2) in the atmosphere than they remove from it, thanks to their continued deforestation and degradation, warns a new study.


Homo sapiens emerged 350,000 years ago: Study

Fri, 09/29/2017 - 15:14

Washington, Sep 29 (IANS) Genetic data from seven humans who lived 2,500 years ago in South Africa suggest that Homo sapiens arose 350,000 years ago, much earlier than previously thought, a new study has revealed.


Hubble captures farthest active inbound comet

Fri, 09/29/2017 - 11:50

Washington, Sep 29 (IANS) NASA's Hubble Space Telescope has captured the farthest active inbound comet ever seen, at a whopping distance of 1.5 billion miles from the Sun.


Endangered plant discovered in China

Fri, 09/29/2017 - 11:00

Beijing, Sep 29 (IANS) Researchers have found a large number of an endangered species known as waterwheel plants, in a wetland in China's Heilongjiang province, authorities said on Friday.


iPhones don't have FM radio: Apple to FCC Chairman

Fri, 09/29/2017 - 09:44

San Francisco, Sep 29, After the US Federal Communications Commission (FCC) Chairman Ajit Pai asked Apple to activate an FM radio in its iPhones for emergencies, Apple on Friday replied that its iPhone 7 and iPhone 8 devices do not have FM chips.


Eating habits of black holes make some galaxies appear brighter

Thu, 09/28/2017 - 15:16

New York, Sep 28 (IANS) Researchers have found that some galaxies appear brighter to astronomers' telescopes because of faster rates at which their supermassive black holes swallow matter and spit out energy, not because of the way the galaxies face Earth, as earlier believed.


Earth lost 40% mass during formation

Thu, 09/28/2017 - 14:08

London, Sep 28 (IANS) The violent and chaotic process that led to the formation of Earth resulted in the loss of more than 40 per cent of its mass, says a study.


3 detectors track 4th gravitational wave

Thu, 09/28/2017 - 12:38

Washington, Sep 28 (IANS) Scientists have detected the fourth gravitational wave emitted by a merger of two black holes using three detectors -- a critical new capability that allows scientists to more closely locate a gravitational wave's birthplace in space.


Beware wheat rust, the enemy from the air

Thu, 09/28/2017 - 12:16

Bengaluru, Sep 28 (IANS) The wheat crop in Punjab -- the breadbasket of India -- and also in Pakistan, is vulnerable to air-borne attack by "stem rust" in the event of an outbreak of this disease in a place as far away as East Africa.


NASA teams up with Russian agency to send humans in deep space

Thu, 09/28/2017 - 12:08

Washington, Sep 28 (IANS) With the aim to build a space station orbiting the Moon before sending humans further in deep space, NASA has entered into an agreement with Russian space agency Roscosmos, reflecting the common vision for human space exploration that the agencies share.


Pigeons quicker in multitasking than humans

Wed, 09/27/2017 - 17:26

London, Sep 27 (IANS) Despite their small brains, pigeons are capable of switching between two tasks as quickly as humans - and even quicker in certain situations, new research has found.


Meet 'smiley-faced' spider species named after Barack Obama

Wed, 09/27/2017 - 16:22

New York, Sep 27 (IANS) Researchers have discovered 15 new species of "smiley-faced" spiders -- and named them, among others, after former US President Barack Obama and former presidential candidate and US Senator from Vermont Bernie Sanders.