Sign in
Download Opera News App

jdw

SCIENCE-HIGHTECH

Why Some Israeli Farmers Are Making Holes On Stomachs Of Cows

According to JDW magazine, portholes are openings in the side of a cow that allows researchers to access an animal's stomach with a cannula. It is an operation done under anaesthetic and the cow tends to live longer than the average cow. The hole is big enough to allow a person to put her/his hand down it.

  1 month ago ago
Why Some Israeli Farmers Are Making Holes On Stomachs Of Cows

SOCIETY

5 Largest Slums in The World

According to JDW magazine, slum is informal settlements within cities that have inadequate housing and squalid, miserable living conditions. It is overcrowded and lack basic amenities such as water, sanitation and roads. About 900 million people live in slums but the number goes up to 1.6 if informal settlements are added.

  1 month ago ago
5 Largest Slums in The World