2021 was Earth’s fifth-hottest year, say scientists
The last seven years have been the hottest on record globally "by a clear margin", the European Union's climate monitoring service reported Monday, as it raised the alarm over sharp increases in record concentrations of methane in the atmosphere.
Explainer: T-cells stands on guard against Omicron as antibodies fail
As the new Omicron variant is said to have mutations that may be helping it escape the body’s first line of defence, antibodies, studies have highlighted a bigger role that the immune system’s second line of defence, T-cells, may play. T cells, the body's weapon against virus-infected cells, were primed enough by vaccination that they defended against Omicron, separate studies have found.
Omicron can evade Covid vaccine protection, antibody therapies: Study
Omicron can evade the immune protection conferred by Covid-19 vaccines and natural infection, according to a peer-reviewed study which also suggests that the new variant of coronavirus is completely resistant to antibody therapies in use today. The study, published on Thursday, also highlights the need for new vaccines and treatments that anticipate how the SARS-CoV-2 virus may soon evolve.
Nasa spacecraft 'touches' sun for 1st time, dives into atmosphere
A NASA spacecraft has officially "touched" the sun, plunging through the unexplored solar atmosphere known as the corona. The Parker Solar Probe actually flew through the corona in April during the spacecraft's eighth close approach to the sun.