The latest science news, in brief.
The James Webb Space Telescope, shown in this artist's illustration, successfully unfolded its mirrors and sunshield after launch.After several tense days of unfurling and clicking its various parts into place, theOn 8 January, NASA’s James Webb Space Telescope slowly swung the last 3 of its 18 hexagonal mirror segments into position, locking them together into one 6.5-metre-wide, gold-coated cosmic eye.
Photons are now bouncing between Webb’s mirrors, making it an operational observatory. “This is unbelievable,” said Bill Ochs, NASA’s project manager for Webb, in a 5 January webcast from mission control at the Space Telescope Science Institute in Baltimore, Maryland. “We actually have a telescope.
This isn’t the first time a WHO director-general has run for a second term unopposed. Typically, however, several countries propose candidates in the year before an election. Elections are held every five years at the World Health Assembly in May, an annual meeting of delegates from WHO member states. This year, Tedros is the only candidate, with 28 member states backing him.
Tedros won the election for director-general in 2017, becoming the first African to lead the WHO since its founding in 1948. He quickly made his mark by creating the WHO’s first science division, and by expanding its programme to respond to infectious-disease outbreaks and other health emergencies.
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