Uncategorized
-
Health & MedicineKeeping the beat
Muscle cells taken from embryonic rats and put into an adult rat's heart can transmit the electric signals that govern the heartbeat.
-
TechRobotic heart surgery
By using robotic rather than conventional open-heart techniques, doctors can perform heart surgery with smaller incisions, giving patients less pain and speeding recovery.
-
Health & MedicineEnzyme Shortage May Lead to Lupus
Without the enzyme DNase I, mice are vulnerable to symptoms of lupus, a debilitating autoimmune disease.
By Nathan Seppa -
MathFive-Suit Decks, Traffic-Jam Puzzles, and Other Treats
Tired of playing the same old card games with the same old cards? One option is to expand the deck to include five suits instead of just four.