Now metal surfaces can be instant bacteria killers with new laser treatment technique

Now metal surfaces can be instant bacteria killers with new laser treatment technique

Bacterial pathogens can live on surfaces for days. What if frequently touched surfaces such as doorknobs could instantly kill them off?
@dheerthan09:10 PM 16-Apr-2020

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Discover Ivy League Free Online Courses & MOOCs - Class Central

Discover Ivy League Free Online Courses & MOOCs - Class Central

Love to learn? Free online courses from Brown, Columbia, Cornell, Dartmouth, Harvard, Penn, Princeton, and Yale. Discover thousands of FREE online courses and MOOCs from top universities and companies on Class Central.
How 3D Printing Is Helping Medical Professionals Fight COVID-19

How 3D Printing Is Helping Medical Professionals Fight COVID-19

3D-printing communities worldwide are doing their best to help fight the effects and spread of the coronavirus.Increasing COVID-19 cases is underscoring a shortage of medical supplies. Medical facilities are in desperate need of N95 masks, face shields, Ventilator parts and other Personal Protective Equipment (PPE).
Congradulations or Congratulations—Which Is Right?

Congradulations or Congratulations—Which Is Right?

Congratulations is correct. Congradulations is a common misspelling. There’s just one way to spell it, and that’s congratulations, with a T. This word came into English from Latin, where it was formed by combining the prefix com-, meaning "with," to the root gratulari, meaning "give thanks" or "show joy."
Coronavirus: What sporting events are affected by the pandemic?

Coronavirus: What sporting events are affected by the pandemic?

As the virus spreads across the globe, sports bodies are cancelling or postponing events. Major sporting events have been cancelled or postponed. The most significant one that was due to take place in Japan this summer was the Tokyo 2020 Olympics. The event is postponed to July 23 to August 8, 2021.
Cyclone Harold : Superstorm hits Vanuatu after killing 27 in Solomons

Cyclone Harold : Superstorm hits Vanuatu after killing 27 in Solomons

A cyclone bringing winds of 135mph (215km/h) has arrived in the Pacific nation of Vanuatu. Cyclone Harold is a category five storm - the most severe - and has already killed 27 people in the neighbouring Solomon Islands. Vanuatu is already in a state of emergency because of the virus.
Coronavirus: Tiger at Bronx Zoo Is First Animal in U.S. to Test Positive

Coronavirus: Tiger at Bronx Zoo Is First Animal in U.S. to Test Positive

A tiger at the Bronx Zoo is believed to be the first animal in the U.S. and first tiger in the world to test positive for the new coronavirus. Nadia, a four-year-old Malayan tiger, was tested for the virus that causes COVID-19 after she developed a dry cough and began to lose her appetite

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