Odds and ends

Acute HIV infection: Symptoms, diagnosis, and management

http://www.medicalnewstoday.com/articles/316329.php

 The effects of Viagra

http://www.dailymail.co.uk/health/article-4324712/This-happens-penis-Viagra.html

 New cholesterol lowering drug

http://www.dailymail.co.uk/news/article-4325876/New-cholesterol-drug-helps-slash-risk-heart-attack.html

Populating Mars 

http://www.dailymail.co.uk/sciencetech/article-4276210/NASA-unveils-plan-surround-Mars-magnetic-field.html

Killing off wild flowers

 http://i.dailymail.co.uk/i/pix/2017/03/12/19/3E35149000000578-0-image-a-50_1489348032258.jpg

Drone photos - USA

http://www.dailymail.co.uk/travel/travel_news/article-4252338/The-Drone-photographer-snaps-50-states.html