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In New York lab, centuries-old corals hold clues to climate shifts

Some 20 miles north of New York City, a team of scientists is searching for clues about how the environment is changing by studying organisms not usually found in the woods around here: corals. Read full story

Fri, 13 Dec 2019 17:13:02 -0500

Researchers criticize AI software that predicts emotions

A prominent group of researchers alarmed by the harmful social effects of artificial intelligence called Thursday for a ban on automated analysis of facial expressions in hiring and other major decisions. Read full story

Thu, 12 Dec 2019 08:11:50 -0500

Half of lymphoma patients alive three years after Gilead cell therapy treatment: study

Nearly half of lymphoma patients treated with Gilead Sciences Inc's Yescarta were alive at least three years after a one-time infusion of the CAR-T cell therapy, according to data presented on Saturday. Read full story

Sat, 07 Dec 2019 14:07:36 -0500

Bristol-Myers reports positive data on cancer treatment acquired in Celgene deal

Bristol-Myers Squibb Co on Saturday said that an experimental cancer therapy it acquired as part of its $74 billion deal for Celgene Corp produced positive results in a clinical trial. Read full story

Sat, 07 Dec 2019 14:04:53 -0500

Emotion-sensing robot launches to assist space station astronauts

An intelligent robot equipped with emotion-sensing voice detectors was headed to the International Space Station after launching from Florida on Thursday, becoming the latest artificial intelligence-powered astronaut workmate in orbit. Read full story

Thu, 05 Dec 2019 15:48:59 -0500

NASA's probe soaring near sun reveals surprises about solar wind

Troves of new data from a NASA probe's close encounters with the sun are giving scientists unique insight about the solar wind and space weather more generally as the spacecraft zooms through the outermost part of the star's atmosphere. Read full story

Thu, 05 Dec 2019 13:20:32 -0500

Bye-bye, birdie: Study finds North American birds getting smaller

Since 1978, researchers have scooped up and measured tens of thousands of birds that died after crashing into buildings in Chicago during spring and fall migrations. Their work has documented what might be called the incredible shrinking bird. Read full story

Wed, 04 Dec 2019 18:21:38 -0500

'Indiana Jones' scientists collect seeds in wild for climate change fight

Braving perils from blood-sucking leeches to tigers and using transport as basic as elephants, scientists have journeyed like "Indiana Jones" to remote locations to collect wild cousins of crop seeds in a project to help tackle climate change. Read full story

Tue, 03 Dec 2019 18:56:20 -0500

Earth's temperature likely marks hottest decade on record: report

The past decade is almost certain to be the hottest on record, weather experts warned on Tuesday, painting a bleak picture of vanishing sea ice, devastating heatwaves and encroaching seas in a report launched at a climate summit in Spain. Read full story

Tue, 03 Dec 2019 10:20:50 -0500

With suction cups and lots of luck, scientists measure blue whale's heart rate

Using a bright orange electrocardiogram machine attached with suction cups to the body of a blue whale, scientists for the first time have measured the heart rate of the world's largest creature and came away with insight about the renowned behemoth's physiology. Read full story

Wed, 27 Nov 2019 20:07:00 -0500

With suction cups and lots of luck, scientists measure blue whale's heart rate

Using a bright orange electrocardiogram machine attached with suction cups to the body of a blue whale, scientists for the first time have measured the heart rate of the world's largest creature and came away with insight about the renowned behemoth's physiology. Read full story

Tue, 26 Nov 2019 05:41:53 -0500

Study reveals music's universal patterns across societies worldwide

From love songs to dance tunes to lullabies, music made in disparate cultures worldwide displays certain universal patterns, according to a study by researchers who suggest a commonality in the way human minds create music. Read full story

Thu, 21 Nov 2019 17:47:13 -0500

Egypt to send its first communication satellite into orbit on Friday

Egypt will launch its first communication satellite into orbit on Friday, a move it says will improve its communications infrastructure and internet services and attract investment. Read full story

Thu, 21 Nov 2019 13:17:33 -0500

High-tech Japan uses AI in song to welcome pope

Few aspects of life escape the touch of high tech in cutting-edge Japan, including an official song written to welcome Pope Francis when he visits Japan from Saturday. Read full story

Wed, 20 Nov 2019 13:44:13 -0500

'Possibility of life': scientists map Saturn's exotic moon Titan

Scientists on Monday unveiled the first global geological map of Saturn's moon Titan including vast plains and dunes of frozen organic material and lakes of liquid methane, illuminating an exotic world considered a strong candidate in the search for life beyond Earth. Read full story

Mon, 18 Nov 2019 16:18:08 -0500

Spacecom's Amos-17 satellite completes test, reaches final orbit

Israel's Space Communications said on Monday its Amos-17 communication satellite, which was launched into space in August, has completed its in-orbit testing and reached its final position. Read full story

Mon, 18 Nov 2019 08:56:16 -0500

Japan space probe on its way back after asteroid mission

A Japanese space probe is heading home from an asteroid 250 million km (155 million miles) from Earth after collecting sub-surface samples that could help scientists seeking the origins of life, Japan's space agency said on Monday. Read full story

Mon, 18 Nov 2019 05:29:05 -0500

Boeing received 'unnecessary' contract boost for astronaut capsule, watchdog says

Boeing's multibillion dollar contract to build U.S. astronaut capsules received an "unnecessary" extension from NASA, a watchdog report said on Thursday, the latest management blunders in the agency's program to restart domestic human spaceflight. Read full story

Thu, 14 Nov 2019 22:11:20 -0500

China completes crucial landing test for first Mars mission in 2020

China on Thursday successfully completed a crucial landing test in northern Hebei province ahead of a historic unmanned exploration mission to Mars next year. Read full story

Thu, 14 Nov 2019 10:48:06 -0500

China's huge mysterious extinct ape 'Giganto' was an orangutan cousin

Genetic material extracted from a 1.9 million-year-old fossil tooth from southern China shows that the world's largest-known ape - an extinct creature dubbed "Giganto" that once inhabited Southeast Asia - was an oversized cousin of today's orangutans. Read full story

Wed, 13 Nov 2019 13:21:58 -0500

Impact factors and citation metrics

The adoption of the REF means that universities are under enormous pressure to produce publications, particularly peer-reviewed journal articles. A controversial aspect of the REF is the proposal to use metrics based on a ‘citation count’ as one means of measuring research performance.

A citation count is a measure of the number of times that books or articles published or co-published by the researcher have been cited in other academic papers. In general terms, the more publications a researcher or team has, the more likely they are to be cited in publications by their peers. The Institute for Scientific Information (ISI), now part of Thomson Reuters, publishes an online list of ‘Highly Cited Researchers’ - those whose publications were most often cited over the last decade. Inclusion in this list is taken as a measure of the esteem of these academics.

Citation metrics are the basis of another commonly used measure of prestige: the ‘Impact Factor’ of a journal. The impact factor is a number derived from the average number of citations gained by articles published in the journal. The ISI publishes impact factor data annually. Because articles in journals with a high impact factor tend to be cited more often than articles in journals with a lower impact factor, publication in a ‘high impact factor’ journal is often seen as an indication of the quality of the article.

Some academics maintain that citation metrics do not accurately reflect the importance of published research or the success of the authors or groups who publish the papers. In particular, as early career researchers tend to have relatively few publications to their name, their citation counts are lower than those of more established names. Researchers who develop widely used methodologies achieve large numbers of citations even though they may not be publishing original research. And those who write for the popular presses inevitably gain more citations than those who confine themselves to more specialist academic journals, regardless of the quality or originality of what they are publishing.

In many disciplines, it used to be common practice for research teams to publish large numbers of short articles (often described as ‘letters’) in specialist journals designed for rapid publication of new discoveries. Researchers were often able to use these journals to make an impact early on in their careers. The picture has changed, however, as impact factors have assumed a greater importance. Many of the ‘rapid publication’ journals are in specialist fields and as such their impact factors are relatively low. Some institutions now actively discourage publication in these journals, requiring researchers to ‘save up’ their results until they can be published as a major article in a high impact factor publication instead.

Whether or not these changes are beneficial to the academic community is open to debate. However, the reality appears to be that citation metrics are here to stay. Researchers need to bear these issues in mind when considering when and where to publish.

Impact Factor: 7.466
Provided by SJIF

ISSN 2277-8616
IJSTR - November 2019 - Volume 8 Issue 11