Page-3 of Physical sciences Current Affairs, GK & News
The World Bank (WB) has recently released a report titled ‘Quality Unknown: The Invisible Water Crisis’ to address human and environmental harm. The study evaluated how a combination of bacteria, sewage, chemicals and plastics suck oxygen from water supplies and transform water into poison for people and ecosystems. Both rich and poor countries are at ..
The Karnataka government has recently classified nicotine as Class A poison by amending the Karnataka Poisons (Possession and Sale) Rules 2015. The move is to curb illegal sale, smuggling of nicotine cartridges & e-cigarettes. Highly toxic chemicals (such as cyanogen, hydrocyanic acid, nitrogen peroxide, and phosgene) which even in very small quantities as gas or ..
According to a study conducted by researchers from Harvard University and IIT Hyderabad, climate change and overfishing are resulting in an increase of a toxin called methylmercury (MeHg) in the ocean’s fishes like Atlantic cod, Atlantic bluefin tuna. These fishes are widely consumed by humans. The researchers pointed 3 factors that result in mercury accumulation ..
The researchers at IIT Madras have designed a system titled ‘Project Water Chakra’ to recycle human urine. The project won the Indian Innovation Growth Programme 2.0 award in July 2019. The researchers have retrofitted urinals on the campus to collect urine i.e. then processed into several useful materials for use in manufacturing. The concentrated urine ..
The researchers at the University of Leeds in Britain have created a new form of gold which is 0.47 nanometres thick – one million times thinner than a human finger nail. They claimed that it is the world’s thinnest-ever unsupported gold. The researchers named their created precious metal as “golden algae” because of its greenish ..
The joint venture company namely Khanij Bidesh India Ltd. (KABIL) has been set up with the participation of three Central Public Sector Enterprises (CPSEs) to ensure a consistent supply of critical and strategic minerals to Indian domestic market. These CPSEs are National Aluminium Company Ltd. (NALCO), Hindustan Copper Ltd. (HCL) and Mineral Exploration Company Ltd. ..