by Team Spectrum Books | Sep 22, 2023 | Earth Science
The pharmaceuticals industry is today one of the leading industries. With the growth of the pharma market, environmental concerns are on the rise—pertaining to not just production, but also consumer waste and disposal. During the manufacture, use and disposal of...
by Team Spectrum Books | Sep 22, 2023 | Earth Science
Air is mainly contaminated (or polluted) by fine particulate matter (PM2.5), ozone, and oxides of sulphur and nitrogen. In recent years, air pollution has become a very serious problem, the world over. Threat to Human Health Air pollution is one of the biggest and...
by Team Spectrum Books | Sep 22, 2023 | Earth Science
Vulture Species Most of the 23 species of vultures in the world are found in North America, South America, Africa, Europe, and Asia. Australia does not have vultures. About 16 species are reported from the old world (a term used in the West to refer to Asia, Africa,...
by Team Spectrum Books | Dec 18, 2021 | Earth Science
In November 2021, scientists from India, Australia, and the US said that the first continental land may have emerged about 3.2 billion years ago in Singhbhum region of Jharkhand, India. It is a landmark discovery which has challenged the long-standing notion that the...
by Team Spectrum Books | Dec 3, 2021 | Earth Science
It was reported in November 2021 that an international team of palaeontologists from four countries—Brazil, Portugal, Germany, and Denmark—announced the discovery of a new species of dinosaur after constructing digital three-dimensional (3D) models of previously...
by Team Spectrum Books | Sep 20, 2021 | Earth Science
A new species of cascade frog has been discovered on the Adi hills in Arunachal Pradesh by a team of researchers from the University of Delhi along with biologists from the Wildlife Institute of India and North Carolina Museum of Natural Sciences, USA. The frog has...