The Ephemeral Marvels Perfume Store

Mid-term marvels

A half-time report from an unprecedented audit of the oceans has discovered hordes of unusual creatures and new data on better-known species, forcing scientists to rethink their ideas about the world's marine life. Among the new organisms to be identified are tiny carnivorous sea sponges that engulf passing prey and single-celled animals that protect themselves by building football-like shells....

History of perfume

The Marvels of the Human Voice: Poem-Melody-Vocal Performance

This paper examines and compares vocal performances. It also follows the path of poem to melody to singing, and their interrelations. Results are demonstrated in examples in which comparison is made between performances of the same melody by two or more artists in: “Au Cimetière” by Berlioz, “Der Tod und das Mädchen” by Schubert, the Aria “In Questa Reggia” (Turandot) by Puccini, and the ariett...

The Ephemeral Pairing Problem

In wireless ad-hoc broadcast networks the pairing problem consists of establishing a (long-term) connection between two specific physical nodes in the network that do not yet know each other. We focus on the ephemeral version of this problem. Ephemeral pairings occur, for example, when electronic business cards are exchanged between two people that meet, or when one pays at a check-out using a ...

Macroevolution of perfume signalling in orchid bees.

Theory predicts that both stabilising selection and diversifying selection jointly contribute to the evolution of sexual signalling traits by (1) maintaining the integrity of communication signals within species and (2) promoting the diversification of traits among lineages. However, for many important signalling traits, little is known about whether these dynamics translate into predictable ma...