13 Indian martial arts

1. Mukna
2. Pehlwani
3. Kuttu Varisai
4. Kalarippayattu
5. Niyuddha-kride
6. Gatka
7. Vajra Mukti
8. Silambam Nillaikalakki
9. Thang-Ta
10. Varma Kalai
11. Malla-yuddha
12. Sarit Sarak
13. Marma Adi


13 Examples of Living Fossils

1. horseshoe crab