General Awareness

SCIENCE & TECHNOLOGY - July 2017

Jul 2017

May 22, 2018

Fresh Flaw in Chips

Cyber security researchers have found a new security flaw that affects a broad swath of modern computing chips and is related to the Spectre and Meltdown chip flaws that emerged in January.

The newest chip problem, known as Speculative Store Bypass or "Variant 4" because it's in the same family as the original group of flaws, was disclosed by security researchers at Microsoft Corp and Alphabet Inc's Google.

May 21, 2018

China Launches Relay Satellite

China successfully launched a relay satellite early to set up a communication link between the Earth and a planned Chinese lunar exploration mission to explore the Moon's mysterious far side.

Named Queqiao (Magpie Bridge), the 400-kg satellite has a designed life of three years.

May 18, 2018

Human Brain Grown in Rodents

In a first, US scientists have grown miniature human brains or human brain organoids, in the skulls of mice, a breakthrough that could boost stem cell research as well as provide insight into neurological disorders such as autism, dementia, and schizophrenia.

May 15, 2018

Memory Transplant

A team successfully transplanted memories by transferring a form of genetic information called RNA from one snail into another.

The snails were trained to develop a defensive reaction.

RNA stands for ribonucleic acid; it's a large molecule involved in various essential roles within biological organisms - including the assembly of proteins and the way that genes are expressed more generally.

May 13, 2018

SpaceX Launches Updated Falcon 9 Rocket

SpaceX`s updated version of Falcon 9 rocket "Block 5" lifted off in Florida, boosting Bangladesh`s first communications satellite into orbit. The "Block 5" booster, the final substantial upgrade to SpaceX`s Falcon 9 launch vehicle, was launched from NASA`s Kennedy Space Centre, starting its maiden flight.

Bangabandhu Satellite-1 is Bangladesh`s first geostationary communications satellite, expected to have a primary service area encompassing Bangladesh and the surrounding region including territorial waters in the Bay of Bengal.

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