Framed by an infinite backdrop of dark, lifeless space, a robotic arm on the International Space Station in 2015 mounted a box of exposed microbes on a handrail 250 miles above Earth. The hearty bacteria had no protection from an onslaught of cosmic ultraviolet, gamma, and x-rays. Back on Earth, scientists wondered whether the germs might survive these conditions for up to three years, the length of the experiment, and if they did, what the results might tell the researchers about the ability of life to travel between planets. Continue reading Scientists Discover Exposed Bacteria Can Survive in Space for Years
Avoid close contact with sick patients. Stay home if you’re feeling unwell. Scrub your hands with soap and water for at least 20 seconds and for goodness’ sake, stop touching your face. Continue reading Why Is Washing Your Hands So Important, Anyway?
The Centers for Disease Control and Prevention on Thursday said that measles cases hit a higher number this year than has been reported since 1994. If the outbreaks continue as they are, the health agency says it could cost the U.S. its elimination status. Continue reading Measles Cases in 2019 Have Hit a 25-Year High Amid Ongoing Outbreaks, CDC Says
Our medical system is at a crisis point. Bacteria that we could once easily dispatch are out-evolving our current antibiotics, leading to the growth of “superbugs.”
There was a time when anti-virus software was the height of computer security, especially if you were a Windows user. But the landscape of threats has changed, and we live in an era of sweeping, global campaigns, like the ransomware “WannaCry” infection and the more recent Ukraine-focused “NotPetya” attack. What role does anti-virus and antimalware software play in keeping your machine safe? We spoke with four security experts to hear what they had to say.
Researchers in the United Kingdom have discovered how HIV’s protective shell helps it invade healthy cells without being detected by the immune system.
After a man in Italy was reported to have signs of Zika virus in his semen six months after exposure, scientists are questioning whether the virus is reproducing itself in the male genital tract.