The first detailed map of smell receptors in the nose of a mouse. (Datta Lab/Harvard) Smell is a powerful sense. It signals ...

It looked, at first, like the sort of fossil Rudy Lerosey-Aubril knew well. After a long day of teaching, the Harvard ...

Nine small jawbones, each no longer than a human finger, sat locked in 280-million-year-old rock beneath a dried-up riverbed ...

Koalas are iconic on Australia’s east coast, but they are regionally extinct in Western Australia today. Fossils tell a ...

Each distinct part of the brain plays a different role in allowing humans to have thoughts and memories, move their arms and legs, sense smell, sight, hearing, touch, and taste, as well as maintain ...

The vulva includes structures like the mons pubis, labia majora, and labia minora. The clitoris is located at the top of the vulva and is covered by the clitoral hood. Inside, the vagina connects the ...

Each breast has 15 to 20 sections, called lobes. They are arranged like the petals of a daisy. Each lobe has many smaller structures called lobules. These end in dozens of tiny bulbs that can produce ...

Anterior chamber. The front section of the eye's interior where aqueous humor flows in and out, providing nourishment to the eye. Aqueous humor. The clear watery fluid in the front of the eyeball.

The vestibule, a small chamber in the center of the inner ear, contains two tiny organs: the utricle and saccule. These organs sense forward, backward, up, and down movement when fluid in the inner ...