IMMUNITY PASSPORT

IMMUNITY PASSPORT

IMMUNITY PASSPORT These are handed out to those who have recovered from COVID-19 for the purpose of travel. Immunity passports are also known as ‘risk-free certificates. According to the World Health Organisation, use of such certificates could lead to the risk of...
HERD IMMUNITY

HERD IMMUNITY

When a high proportion of a community is immune it becomes hard for diseases to spread from person to person. This phenomenon is known as herd immunity. Herd immunity protects people indirectly by reducing their chances of coming into contact with an infection. Herd...
GAUSE’S LAW IN ECOLOGY

GAUSE’S LAW IN ECOLOGY

Also known as the competitive exclusion principle, this refers to the proposition that the populations of two competing species cannot remain at stable levels over time. When two species compete for control over a limited amount of resources, the dominant species will...
BLOB : THE MARINE HEAT WAVE

BLOB : THE MARINE HEAT WAVE

BLOB : THE MARINE HEAT WAVE Blob is a heatwave, not on land, but on the waters of the Pacific Ocean. It encompasses an area of four million square miles, extending from Alaska to California. Between 2013 & 2016, it killed whales, sea otters, sea lions, octopuses...
J – CURVE EFFECT

J – CURVE EFFECT

J – CURVE EFFECT This refers to a phenomenon wherein the trade balance of a country worsens following the depreciation of its currency before it improves. Any depreciation in the value of a currency is expected to improve the economy’s overall trade balance by...