Monthly Archives: December 2022

Bhāskara-II’s polygons and an algebraic approximation for sines of pi by x

Unlike the Greeks, the Hindus were not particularly obsessed with constructions involving just a compass and a straightedge. Nevertheless, their pre-modern architecture and yantra-s from the tāntrika tradition indicate that they routinely constructed various regular polygons inscribed in circles. Of … Continue reading

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Origins of the serpent cult and Bhāguri’s snake installation from the Sāmaveda tradition

Mathuran Nāga installations From the few centuries preceding it down to the first few centuries of the Common Era we see numerous installations of snake deities, i.e., Nāga-s, at various archaeological sites throughout northern India (most famously at the holy … Continue reading

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Two simple stotra-s, sectarian competition, and the Varāha episode from the archaic Skandapurāṇa

The Ur-Skandapurāṇa (SkP) or the “archaic” Skandapurāṇa ( the Bhaṭṭārāi edition known as the Ambikā-khaṇḍa) is a Śaiva text with affinities to the Pāśupata branch of that tradition. Though it is aware of the mantra-mārga traditions like the Mātṛ-tantra-s and … Continue reading

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The zombie obeys: a note on host manipulation by parasites and its ecological consequences

In 1858-59, as AR Wallace, one of the founders of the modern evolutionary theory, was exploring the Sulawesi Islands, he collected an ant, Polyrachis merops, that he sent over to England. Years later, the naturalist W Fawcett studying these ants … Continue reading

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