Do you recollect knowing axioms and proving theorems in your high-school mathematics class? Most theorems start as conjectures — a proposition that is believed to be true but without enough formal proof. Over time, mathematicians use the axioms to prove the conjectures. Proving or disproving conjectures can be challenging, sometimes taking centuries.
क्षयरोगाच्या जीवाणूंच्या बाह्य आवरणात सुप्तावस्थेत झालेल्या बदलांमुळे ते अँटीबायोटिक्स पासून बचाव करून दीर्घकाळ जिवंत राहू शकतात असे संशोधकांना दिसून आले.
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