Last year, former circus performer Silke Pan began doing something she never thought would be possible again: walk.

MEDICINE
A London-based fetal imaging research project is developing ways to screen for abnormalities earlier.
“A superiority complex always covers up an inferiority complex.”
It performed as well as 21 human doctors in tests.
A recent study from Penn State details how researchers coaxed ordinary skin cells to grow into heart cells.
The brains of study participants who used cognitive behavioral therapy showed strengthened connections in regions associated with social perception.
Experts agree: Stop sticking things in your ears.
A paper supports the theory that the much-maligned organ may serve as a “safe house” for beneficial bacteria.
A long-lasting chemical compound in the venom of platypuses and echidnas helps regulate blood sugar.
Pick the right wine, or you might get farts.
Resveratrol, a humble antioxidant found in grapes, nuts, and berries, can significantly reduce the hormones that create hormone imbalances in women with PCOS, and improve insulin sensitivity.
A report from the World Health Organization finds that treated bed nets stop malaria transmission even among pesticide-resistant mosquitoes.
The pill is capsule-shaped when swallowed, then expands in the stomach to deliver an entire course of treatment over several weeks.
Meet the Gila monster, the largest native lizard in the United States. But watch out for its venomous bites.
Some families were so desperate to save their loved ones from a mysterious illness, they were willing to try anything, even exhuming them.