Uncategorized
- Health & Medicine
50 years ago, scientists debated the necessity of a smallpox vaccine
In 1970, scientists debated the necessity of routine smallpox vaccinations as the disease declined. Fifty years later, the debate continues.
- Health & Medicine
WHO declares coronavirus outbreak a global public health emergency
The World Health Organization says the coronavirus outbreak that began in China has been reported in 18 other countries.
- Physics
Scientists cooled a nanoparticle to the quantum limit
Physicists decreased a nanoparticle’s motion to the lowest level allowed by quantum mechanics.
- Space
The wobbling orbit of a pulsar proves Einstein right, yet again
Astronomers have found a pulsar’s orbit being rocked to and fro as a neighboring white dwarf whips up spacetime, in accordance with general relativity.
