#White blood cell

Author: Cassandra Willyard / Source: Science News An Elegant Defense Matt Richtel William Morrow, $28.99 We like to think of the immune system as our own personal military, ready to attack foreign invaders. Slice your finger, and immune cells rush in to destroy rogue pathogens. But it’s

Author: Silke Schmidt / Source: Science News for Students When you’re sick, you might develop a fever. It’s can be part of the body’s response to an infection. But exactly how that fever helps the body fight infections has long been a mystery. A new study in mice shows that it helps immune cells

Author: Scott / Source: Today I Found Out YouTube subscriber Chase P. asks: Do a video on why humans have allergies. It’s that time of year when tissue companies nationwide rejoice at the excessive mucus caused by allergies. If you’re one of the unlucky, you might ask yourself why we get them

Drawing blood just to discover blood type may be an unnecessary step in the near future. Recently it was discovered that using infrared light, you could pick between blood types. The light shows each type of blood in a different light, and with the right technology, this could easily turn into a

Author: Aimee Cunningham / Source: Science News Immune cells in the lungs provide a rapid counterattack to bloodstream infections, a new study in mice finds. This surprising discovery pegs the lungs as a major pillar in the body’s defense during these dangerous infections, the researchers say.