Peak sexual encounters tend to cluster around night A classic human behavior study found that, across adults, most sexual encounters occur around bedtime (roughly 11 PM–1 AM) — with a smaller peak after waking up. nudes by Prudent_Yoghurt

3 0

Nipples don’t have muscle inside them — the erection of the nipple happens because of tiny smooth muscle fibers in the areola that contract in response to cold, touch, or sexual arousal.

3 0

Did you know that pigeons, despite 3-4 years of separation, will still partially remember their homing path?

5 0

You are about 1 cm taller in the morning than you are at night.

4 0

Red changes behavior in subtle ways—even when not noticed Studies in color psychology show red can influence emotional processing and behavioral outcomes (e.g., threat interpretation, dominance responses) even when participants do not consciously focu

8 0

Smash or Pass ?

3 0

Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.

4 0

Men transfer testosterone through saliva during kissing, chemically spiking their partner’s sexual desire.

12 0

Sexual Activity is Associated with Changes in Inflammatory Biomarkers. In older adults (average age ~66), research shows more frequent sexual activity relates to lower levels of inflammation biomarkers such as C‑reactive protein (CRP) and fibrinogen.

Peak sexual encounters tend to cluster around night A classic human behavior study found that, across adults, most sexual encounters occur around bedtime (roughly 11 PM–1 AM) — with a smaller peak after waking up. nudes

More photos from NudeFacts