Who builds the longest suspension bridge 'Matiri Bridge' over the Indus River in the Leh-Ladakh region?

Researchers at Tata Institute of Fundamental Research (TIFR), Mumbai have identified a new function for Serotonin, a monoamine neurotransmitter. The serotonin may help treat neurological diseases.The results of the study were published in the journal "Proceedings of the National Academy of Sciences (PNAS)".A research paper jointly led by Vidita A. Vaidya and UllasKolthur-Seetharam from TIFR, in collaboration with Ashok Vaidya from KHS (Kasturba Health Society), had found that stress buster Serotonin is involved in the generation of new mitochondria in neurons, increased cellular respiration and fuel (ATP- adenosine triphosphate) in the cell.The recent discovery establishes that serotonin signaling could be used to prevent mitochondrial abnormalities and neuronal loss.

Chennai Central Railway station in Tamil Nadu, officially known as Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station with its 57-character count missed the chance of having the title of world's longest railway station name by an alphabet. The title was won by Llanfairpwll railway station in Wales, also known for its 58 letters long name 'Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch'. Although, the erstwhile Chennai Central railway station which was renamed after the legendary actor-turned-politician Dr. M.G. Ramachandran is still the longest railway station name in India. The other railway stations in India with long names are Karnataka's Krantivira Sangolli Rayanna Bengaluru City station, Venkatanarasimharajuvaripeta in Andhra Pradesh and Chhatrapati Shivaji Maharaj Terminus in Maharashtra.

Ace Indian squash players Saurav Ghoshal and Joshna Chinappa won their respective Asian Individual Squash Championship titles in Kuala Lumpur, Malaysia. Saurav Ghoshal defeated Leo Au Chun Ming of Hong Kong. Joshna Chinappa, on the other hand, retained her title as she beat top seed Annie Au of Hong Kong in the women's final event. Ghoshal who had become the first Indian male player to reach the top 10 of the world rankings is the finalist of the previous edition.

India's most reputed cardiac surgeon and humanitarian, Dr. Devi Prasad Shetty was awarded 27th P.C. Chandra Puraskaar, the annual national award from the P.C. Chandra Group at Biswa Bangla Convention Centre. General Secretary of Ramakrishna Mission, Belur Math, Swami Suviranandaji Maharaj graced the occasion as the Chief Guest and gave away the award. He is also known as 'The Man with Divine Hands'. In 2003, he has won Padma Shri and Padma Bhushan for medicine in 2013.

Prasar Bharati has tied up with Google and its video sharing platform YouTube to telecast the 72nd Independence Day programme live online on 15th August 2018 to increase digital presence. Prasar Bharati CEO Shashi Shekhar Vempati has stated that the live stream window will be seen on the homepage of Google itself so that people do not have to look for a separate link to go to the Youtube channel. In a first-of-its-kind digital drive, Prime Minister Narendra Modi's speech from Red Fort will be live streamed on both Google and YouTube. This year, Doordarshan anchors will introduce the programme from Red Fort instead of the studios. Doordarshan will also translate the PM's speech in over 20 regional languages. The Independence Day coverage will open with a song composed by Shankar Mahadevan.

All India Football Federation (AIFF) recommended the names of Gurpreet Singh Sandhu and Jeje Lalpekhlua for the prestigious Arjuna award 2019. The federation had been pushing the cases of the two footballers since 2017 but the Arjuna award committee continued to ignore their claims. In 2017, the AIFF recommended the two along with Bembem Devi but only the last name was conferred with it.

Shahid Afridi, former captain of the 'Pakistan national cricket team' has written his autobiography titled, 'Game Changer' which will unveil answers to the much-contemplated questions about him. The book has been published by Harper Collin's India. Afridi is popularly known as 'Boom Boom' and holds the world record for the fastest ODI (One Day International) century in 37 deliveries.He also holds the distinction of having hit the most number of sixes in the history of ODI cricket. The book has been co-authored by Afridi and journalist Wajahat S Khan.

The pair of Indian shooters Saurabh Chaudhary, 16-year-old, and Manu Bhaker, 17-year-old, clinched the 10m Air Pistol Mixed gold by beating Jiang Ranxin and Pang Wei of China 16-6 in the final at the International Shooting Sport Federation(ISSF) World Cup 2019 in Beijing, China. Prior to this, Saurabh Chaudhary and Manu Bhaker had already won a gold in the same category in the New Delhi edition of the shooting World Cup in February 2019. The two teammates scored 482 points at the fifth spot. Anjum Moudgil and Divyansh Singh Panwar bagged a gold medal in the 10m Air Rifle Mixed Team event by defeating China in the same tournament.

Leg-spinner Poonam Yadav is the only female cricketer in the list recommended by BCCI. Poonam Yadav is ranked second in women's T20I rankings for bowlers. Board of Control for Cricket in India (BCCI) also recommended 3 Indian cricketers - Mohammed Shami, Jasprit Bumrah, Ravindra Jadeja for the Arjuna Award 2019. Bumrah is currently the world number one ODI bowler, while Jadeja is the world number three Test all-rounder.

World Book Day is celebrated every year on 23 April. It is also known as World Book and Copyright Day, or International Day of the Book. It is organized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) to promote reading, publishing, and copyright. It was first celebrated on 23 April 1995. For the year 2019, Sharjah, UAE has been declared as the World Book Capital. It will be preceded by Kuala Lumpur, Malaysia in the year 2020.