Thulir is an Indian monthly children's science magazine published in Tamil by the Tamil Nadu Science Forum without a break since 1987. [1] [2] Its purpose is to bring science to school children, especially in rural areas. [2] The headquarters of the monthly is in Chennai. [2] Thulir is sustained by the support of children and teachers.
Tamil Nadu is the southernmost state of India. The tenth largest Indian state by area and the sixth largest by population, Tamil Nadu is the home of the Tamil people, who speak the Tamil language, one of the longest surviving classical languages and which serves as its official language. The capital and largest city is Chennai.
Chennai, formerly known as Madras, is the capital city of Tamil Nadu, the southernmost state of India. It is the state's primate city and is located on the Coromandel Coast of the Bay of Bengal. According to the 2011 Indian census, Chennai is the sixth-most populous city in India and forms the fourth-most populous urban agglomeration. Incorporated in 1688, the Greater Chennai Corporation is the oldest municipal corporation in India and the second oldest in the world after London.
South India, also known as Southern India or Peninsular India, is the southern part of the Deccan Peninsula in India encompassing the states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu and Telangana as well as the union territories of Lakshadweep and Puducherry, occupying 19.31% of India's area and 20% of India's population. It is bound by the Bay of Bengal in the east, the Arabian Sea in the west and the Indian Ocean in the south. The geography of the region is diverse, with two mountain ranges, the Western and Eastern Ghats, bordering the plateau heartland. The Godavari, Krishna, Kaveri, Penna, Tungabhadra and Vaigai rivers are important non-perennial sources of water. Chennai, Bangalore, Hyderabad, Coimbatore and Kochi are the largest urban areas in the region.
Kanchipuram district is one of the 38 districts in the state of Tamil Nadu in India. The area comprising the present day Kancheepuram district was earlier a part of Chingleput district. The original Chingleput district was split in 1997 into form the present day Kanchiepuram and Tiruvallur districts.
Tambaram is a city located within the Chennai Metropolitan Area in the Indian State of Tamil Nadu. The city is governed by Tambaram City Municipal Corporation.
Saravanan Sivakumar, known by his stage name Suriya, is an Indian actor and film producer who primarily works in Tamil cinema. Hehas received numerous awards including two National Film Awards, six Filmfare Awards South and five Tamil Nadu State Film Awards. Suriya has featured six times in the Celebrity 100 list of Forbes India, which takes into account the earnings of Indian celebrities.
Madras Medical College (MMC) is a public medical college located in Chennai, Tamil Nadu, India. Established in 1835, it is one of the oldest medical colleges in India, as well as in Asia.
The Chennai Metro is a rapid transit system serving the city of Chennai, India. Operated by Chennai Metro Rail Limited (CMRL) – a joint venture between the Government of India and the State Government of Tamil Nadu, the network consists of two lines and spans 54.1 km (33.6 mi). The system uses standard gauge and has 41 underground and elevated stations.

Shriya Saran Bhatnagar is an Indian actress who primarily works in Telugu, Tamil and Hindi films. Although Saran aspired to become a dancer, she became an actress and made her film debut with the Telugu film Ishtam (2001). She had her first commercial success with Santosham (2002).
Mylswamy Annadurai is an Indian scientist working as vice president for Tamil Nadu State Council for Science and Technology, Chairman, Board of Governors, National Design and Research Forum. He is often dubbed as the "Moon Man of India".

Asin Thottumkal, known mononyomusly as Asin, is an Indian former actress who appeared predominantly in Tamil, Hindi and Telugu films. Asin is a recipient of several accolades including a Filmfare Award, two Filmfare Awards South and four South Indian International Movie Awards. In 2009, she was honoured with Kalaimamani by the Government of Tamil Nadu, the Highest Civilian Honour of the State. Asin is considered as one of the leading South Indian actresses of the 2000s and is referred to as the "Queen of Kollywood".
Karthik Sivakumar, known as Karthi, is an Indian actor and playback singer who works predominantly in Tamil cinema. He has won three Filmfare Awards South, an Edison Award, two SIIMA Award and a Tamil Nadu State Film Award.
Tamil cinema is the segment of Indian cinema dedicated to the production of motion pictures in the Tamil language, the main spoken language in the state of Tamil Nadu. It is nicknamed Kollywood, a portmanteau of the names Kodambakkam, a neighbourhood in Chennai, and Hollywood.
Muktha Srinivasan was an Indian film director and producer.
The Anna Centenary Library (ACL) is an established state library of the Government of Tamil Nadu. It is located at Kotturpuram, Chennai. It is built at a cost of ₹172 crores. It is named after a former chief minister of Tamil Nadu, C. N. Annadurai. It was opened by the then Chief Minister of Tamil Nadu M. Karunanidhi. The average number of persons who visited the library between January and October 2011 is around 26,500, compared to the monthly average of 20,000 in 2010.
Vijaya Gurunatha Sethupathi Kalimuthu is an Indian actor and film producer who predominantly works in Tamil films. He has also worked in Telugu, Malayalam and Hindi language and done over 50 Films in his career. He is a recipient of several accolades including a National Film Award, two Filmfare Awards South and two Tamil Nadu State Film Awards,
Healthcare in Chennai is provided by both government-run and private hospitals. Chennai attracts about 45 percent of health tourists from abroad arriving in the country and 30 to 40 percent of domestic health tourists. The city has been termed India's health capital. Multi- and super-specialty hospitals across the city bring in an estimated 150 international patients every day. Factors behind the tourists' inflow in the city include low costs, little to no waiting period, and facilities offered at the speciality hospitals in the city.
Hiphop Tamizha is an Indian musical duo based in Chennai, Tamil Nadu. The duo consists of Rangadhithya "Adhi" Ramachandran Venkatapathy and R. Jeeva.
Tamil Nadu Science Forum (TNSF) is a people's movement committed to science popularization and education. Started in 1980 by a group of research scholars of Madras University, it functioned during the 80's mainly as an organizer of popular science lectures. In 1987, with the starting of Thulir Magazine, a monthly children's science magazine in Tamil, the group moved on to science communication among children. During the years 1987 to 1991, it mobilized school science teachers in a large way and started organizing efforts in teacher re-orientation so as to make science education more enjoyable.