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On Tuesday, Federal prosecutors said that an ex-medical technician has been convicted of interfering with narcotics at a Colorado hospital, due to which authorities have requested about 3,000 people who underwent surgery there to get tested for blood-borne diseases.

The US Attorney John Walsh said in a statement that the case has been brought after the defendant was found swapping a syringe that has fentanyl citrate, a strong synthetic opiate, for a dose of an unnamed substance during the surgery of a patient recently.

Walsh said that the shocking incident has taken place at the Swedish Medical Center in suburban Denver, and the hospital has immediately fired the surgical technician being questioned in the case Rocky Allen, notifying law enforcement.

An experimental treatment has registered success in eliminating blood cancer symptoms in 94% of patients, according to a new report. Scientists at the Fred Hutchinson Cancer Research Centre in Seattle have claimed medical victory by treating many patients with cancer of the white blood cells known as acute lymphoblastic leukemia (ALL).

Generally, only 40% of patients aged between 25 and 64 are able to survive for five years after being diagnosed with ALL. The survival rate reduces for those aged 65 and above, at 15%. The new therapy used by the U.S. researchers involves genetically modifying an important factor in the patient’s natural immune defense system called T-cells.

A team of Pakistani paleontologists announced that a 1.1 million-year-old stegodon tusk has been unearthed in the Gujrat district of the Punjab province of Pakistan. The tusk, 8-feet long and 8-inches round, is the largest elephant family tusk ever discovered in the Asian country.

The paleontologist team from Punjab University claimed that the prehistoric tusk was of a mature elephant. The animal would have grown 13 feet tall whose weight was around 13 tons, the team explained in a statement.

Stegodon, a genus of the extinct subfamily Stegodontinae of the order Proboscidea, is considered as distant relatives of elephants that we see today. As per the fossil record, the animal roamed earth about 11 million years ago.

On Tuesday, the U.S. Food and Drug Administration recommended a ban on collection of blood from people inhabiting in areas where zika virus cases have been reported. The studies on the virus would take almost a year or half to reveal any possibility of transmission of microcephaly through blood transfusion.

Microcephaly is linked to zika for causing rare birth defects in newborns despite there being no such clear evidence so far. Zika has spread in more than 30 countries in Latin America and the Caribbean. There are evidences that zika can spread through blood transfusion, but this is unknown whether the recipient of the blood develops the illness with zika transmission or not.

A new technique has been developed by the scientists at the University of Southampton for storing the data over a period of billions of years. The creation seems to reflect the future of data storage. The scientists are revealing this new technique, which is still in quite a beginner’s phase of development, at the Optical Engineering Conference in San Francisco this week. The technique involves recording of data on to small glass disks using lasers and nanostructures. The disk has been named ‘Superman memory crystal’.

China has planned to uproot thousands of people to build the biggest radio telescope in the world. Development work for the project will be conducted in southwestern China, and the telescope may be fully operational later this year.

With this plan, the biggest Asian economy in East Asia has signaled that is going to speed up its search for extra-terrestrial life. But in the process, China is neglecting its own people. According to reports, 9,100 residents will be displaced. These people will be given 12,000 yuan as compensation, which is equal to $1,800.