How does a lie detector work?

A person undertakes an early version of the polygraph test. | Photo Credit: US FBI A: A polygraph, also called a lie-detector test, is generally used during interrogation by police. The instrument works by recording physiological functions such as blood pressure, heartbeat, respiration and perspiration. A pneumograph tube is fastened around the person’s chest and…

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Delhi sees surge in seasonal flu cases: H1N1 swine flu, Influenza B – symptoms, precautions. Are you at risk?

Delhi is seeing a significant rise in seasonal flu cases, with Influenza B and H1N1 leading to upper respiratory infections characterized by prolonged symptoms and persistent high fevers. A recent survey conducted by LocalCircles revealed that fever, sore throat, cough, headache, stomach troubles, joint pain, and respiratory problems are among the symptoms of swine flu…

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Elon Musk’s SpaceX and Mars colony plan: Mankind’s victory in space may cost future generations dear — know why

Humanity’s drive to conquer space is undeniable. Recently, Elon Musk’s SpaceX Starship exploded 10 minutes into the latest flight test. The ‘failure’, however, did not sway him from his project to ‘colonise’ Mars — a plan that has been widely talked about ever since US President Donald Trump’s DOGE major-domo announced it in September 2024….

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‘Will miss you’: Sunita Williams gets emotional during goodbye; when is she landing on Earth? NASA shares schedule

Sunita Williams, the NASA astronauts, formally transferred ISS command to the Russian cosmonaut Alexey Ovchinin ahead of her scheduled plan to board the SpaceX’s Crew Dragon spacecraft to return to Earth, USA Today reported. Roscosmos and National Aeronautics and Space Administration collaborated to make it possible for the two astronauts Sunita Williams and Barry Wilmore…

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