We May Finally Know Why Whales Don’t Drown When They Gulp Down Krill

Baleen whales are big drunks. In just ten seconds, these giant mammals can drop over five hundred tubs of ocean water, filtering out about 10 pounds of wings in one gulp. All they have to do is open their mouths and jump forward about 10 miles per hour (6 miles per hour). The pressure of … Read more

COVID-19: Does Omicron cause less damage to the lungs?

.Does Omicron cause less lung damage than Delta? David Paul Morris / Bloomberg via Getty Images Animal studies and experiments involving cells grown in the laboratory suggest that the Omicron variant may have a reduced ability to infect the lungs compared to the Delta variant. This could explain why the Omicron variant appears to cause … Read more

New study reveals how the lung’s immune cells develop after birth – BIOENGINEER.ORG

From the first breath, our lungs are exposed to microorganisms, such as bacteria and viruses. Thanks to immune cells in the lungs, so-called macrophages, we are protected from most infections at an early age. In a new study published in Journal of Experimental Medicine, researchers from the Karolinska Institute show how lung macrophages develop; new … Read more