Malaria parasite’s invasion of blood cells tweezed apart
![Plasmodium falciparum](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/08/Plasmodium_falciparum_free.jpg?fit=840%2C460&ssl=1)
With laser-based tweezers, scientists can yank around Plasmodium falciparum cells (purple) and measure the strength of their interactions with red blood cells (brown).
Dr. Osaro Erhabor/Wikimedia Commons (CC BY-SA 3.0)