×

UPSC Courses

DNA banner

DAILY NEWS ANALYSIS

  • 28 November, 2020

  • 3 Min Read

Blue Tide Phenomenon

Blue Tide phenomenon observed in Maharashtra

Over the last few days, visitors to beaches in Maharashtra have witnessed the fluorescent bluish glow when the waves hit the shoreline.

Key takeaways

  • The phenomenon is called ‘blue tide’.
  • It appears when luminescent marine life makes the sea appear a deep shade of blue.
  • It occurs when phytoplankton (microscopic marine plants), commonly known as dinoflagellates, produce light through chemical reactions in proteins.
  • Waves disturb these unicellular microorganisms and make them release blue light.

Do you know?

  • Bioluminescence is the property of a living organism to produce and emit light.
  • Animals, plants, fungi and bacteria show bioluminescence.
  • A remarkable diversity of marine animals and microbes are able to produce their own light.
  • It is found in many marine organisms such as bacteria, algae, jellyfish, worms, crustaceans, sea stars, fish and sharks.
  • Luminescence is generally higher in deep-living and planktonic organisms than in shallow species.
  • It is an anti-predatory response.

Bioluminescence is assumed to startle predators, causing them to hesitate.

Source: TH


THE ABSURDITY OF THE ANTI-DEFECTION LAW

THE ABSURDITY OF THE ANTI-DEFECTION LAW Uddhav Thackeray’s government facing internal dissent from a block of 22 MLA led by Eknath Shinde, has brought the anti-defection law again into the spotlight. Such events were also witnessed in Puducherry, Madhya Pradesh, and Karnataka. ANTI-DEFECTION LAW The anti-defection law was included in

12TH WTO MINISTERIAL CONFERENCE

12TH WTO MINISTERIAL CONFERENCE The 12th Ministerial Conference of the World Trade Organization (WTO) concluded, recently in Geneva. The main areas of discussion were: WTO’s response to the pandemic.  Fisheries subsidies negotiations. Agriculture issues including Public Stockholding for Food Security. WTO Reforms and M

Bangladesh’s Rohingya Problem

Bangladesh’s Rohingya Problem What is the issue? The population of Rohingyas in Bangladesh as of now is 8,85,000 and the refugee population is increasing rapidly by 35,000 every year, which is a serious security implication for countries mainly in South Asia. What is the Rohingya issue? Rohingya are an

FINANCIAL ACTION TASK FORCE

FINANCIAL ACTION TASK FORCE  Pakistan got a respite from the Financial Action Task Force (FATF) as FATF announced that the country could be removed from the grey list. FATF is going to decide whether to take Pakistan off the ‘grey’ list at the end of its plenary session in Berlin in October. Pakistan has been on the Financia

The Situation of Government Jobs

The Situation of Government Jobs PM has ordered, million central government posts to be filled in a mission mode over the next one and a half years.  The Current Picture of Employment in India  The unemployment rate is defined as the percentage of unemployed persons in the labor force. Suffered by demonetization, pandemic,

Toppers

Search By Date

Newsletter Subscription
SMS Alerts