October 19, 2026
A New Atlas Shows the Human Brain Is Made of Thousands of Cell Types
A major research effort mapped thousands of cell types across the adult human brain. The atlas offers a detailed starting…
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Human Body & Health Science
October 19, 2026
The Adult Heart Replaces Some Muscle Cells—But Not Fast Enough to Heal Itself
Heart muscle cells do renew during adult life, researchers have found. The slow pace helps explain why this quiet maintenance…
October 17, 2026
Your Body Runs on More Than One Clock: How Light and Meals Help Set the Time
The brain’s master clock coordinates daily rhythms, but clocks in other tissues also respond to cues such as food. That…