awareness ribbon necklace | silver pp_protein The Science of the Pollen

The Science of the Pollen Grain

Atomic orbitals are the real shapes electrons take around a nucleus

Antibodies are Y-shaped proteins built from two heavy chains and two light chains

Most serotonergic drugs target receptor subtypes that are expressed in one or the other

Blood bypasses the non-functional lungs through two shunts

awareness ribbon necklace | silver pp_protein The Science of the PollenAwareness ribbon necklace sterling silver In 1991 the Visual AIDS Artists' Caucus pinned looped red ribbons to their lapels at the Tony Awards. Within a year the looped ribbon had become the standard symbol of solidarity for any cause anyone wanted to attach a colour to. The Awareness Ribbon as Symbol The looped ribbon traces back further than 1991. Yellow ribbons tied to trees as signs of hope for absent soldiers were popularised by a 1973 song. The