With that in mind, I've picked out nine art exercises that you might find useful to break drawing habits you've developed so ...

Another great exercise to change how your draw is to try keeping your pen or pencil on the page. Make your first mark ...

Toxoplasma gondii, a parasite spread by cats, can shred human sperm and may be an overlooked factor in declining male ...

Toxoplasma: Some sperm cells had holes in their head, suggesting the parasites were trying to invade them as it would any ...

Infectious diseases such as gonorrhea or chlamydia are often overlooked factors that affect fertility in men. Accumulating ...

Insectopolis explores the often-unseen—and rapidly disappearing—world we share.

Covid-19 and monsoon diseases like common flu, dengue and malaria present some similar symptoms which make it difficult to ...

You’d think of it as the most implausible miniature aircraft of all — with the unbearable ‘drum beats’ in your ear. You got ...

Parasitic worms that infect humans are not interbreeding with those that infect cattle as previously thought. This is good ...