A lipid required for vision identified in fruit flies

Decades of studies on Drosophila vision have revealed multiple components required for the signaling events upon light stimulation. Light first turns on the photosensitive rhodopsin and, following several intermediate steps, ...

Scientists develop a new printable, wearable insect repellent

A new type of insect-repellent delivery device has been developed by scientists from the Martin Luther University Halle-Wittenberg (MLU). With the help of a 3D printer, the active ingredient is first "encapsulated" and formed ...

The quest for a better sunscreen

Many summer days start with slathering on sunscreen to prevent sunburn, skin damage, and skin cancer. A common ingredient in sunscreens is avobenzone, which works by absorbing the sun's ultraviolet rays.

Controlling chemical mirror images

Chirality, while not a rarity in the world of molecules, is nevertheless a special property. If a molecule is chiral (from the Greek word chiros = hand), it exists in two mirrored versions that are very similar but not identical—like ...

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