Current Affairs - Terms In-Vogue

Northern Limit of Monsoon

The Northern Limit of Monsoon (NLM) is the northernmost boundary of India up to which Monsoon rains have advanced on any given day. NLM is directly related to the onset and advance of Monsoon. The term NLM starts flowing right from the onset to the withdrawal of Monsoon.

Epstein-Barr Virus (EBV)

  • Indian Scientists have recently found that the cancer-causing virus Epstein-Barr Virus (EBV) affects the glial cells or the non-neural cells in the central nervous system and alters molecules like phospho-inositols (PIP); a type of lipid, glycerol, and cholesterol, when the virus infects the brain cells. This could pave the path towards understanding the probable role of the virus in neurodegenerative pathologies, especially given the fact that the virus has been detected in brain tissue of the patients suffering from neurological disorders such as Alzheimer's, Parkinson and multiple Sclerosis.

Keeling Curve

  • The amount of carbon in Earth's atmosphere in May 2021 reached its highest level in modern history, a global indicator – Keeling Curve - showed.
  • The Keeling Curve, named after its creator Dr. Charles David Keeling, is a global benchmark for carbon levels in the atmosphere.
  • It is a graph that represents the concentration of carbon dioxide (CO2) in Earth’s atmosphere since 1958 at the Mauna Loa Observatory in Hawaii.

Aerosol Nucleation

  • Scientists from the University of Hyderabad have found frequent formation of sub-3 nanometres aerosol particles in the atmosphere. The formation of small molecular clusters of sub-3nm size is technically called aerosol nucleation.

Operation Olivia

  • Every year, the Indian Coast Guard’s “Operation Olivia”, initiated in the early 1980s, helps protect Olive Ridley turtles as they congregate along the Odisha coast for breeding and nesting from November to December. The Olive Ridley (Lepidochelys olivacea) is listed as vulnerable under the International Union for Conservation of Nature’s Red list.
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