Sticklebacks on red alert

Red alert – Infant vaginal bleeding

Infant vaginal bleeding is an alarming symptom in an infant. Although several causes can be listed, the possibility of malignancy still needs to be ruled out in view of the guarded prognosis of these uncommon infantile tumors. This case report aims to raise the awareness towards the workup and management of infantile malignancies in a baby girl.

Red Alert for Women's Hearts

Red Alert: diagnosis and management of the acute red eye.

The acute red eye represents a broad spectrum of disease encompassing benign self-limiting conditions to potentially vision-threatening ophthalmic or system disease. This article will review clinical principles essential for the diagnosis and treatment of red eye relevant to all Armed Forces primary care and emergency medicine practitioners.

Male Red Ornamentation Is Associated with Female Red Sensitivity in Sticklebacks

Sexual selection theory proposes correlated evolutionary changes in mating preferences and secondary sexual characters based on a positive genetic correlation between preference and the preferred trait. Empirical work has provided support for a genetic covariation between female preference and male attractiveness in several taxa. Here, we study parent and offspring visual traits in threespine s...

Sticklebacks

together with fire and mowing. The team found that native perennials reduced soil moisture, soil nitrogen, and light to lower levels than did exotic annuals. This ability to outcompete the exotic species for these resources means that native perennials should be able to increase in abundance. This suggests that the current rarity of native perennials at the researchers’ site is caused by native...