Weird Butterfly Ceremony

課文：

Did you put on perfume or cologne today? If so, you are carrying on a long tradition that began in early Egypt.

Ancient drawings dating back to around 3500 B.C. show Egyptians using fragrances. They used them in their religious services. They also used scented oils to clean their skin. From Egypt, the use of perfume spread to Greece, Rome and beyond.

課文：

Karly：Then how can you say that you don’t understand art?

Jason：The paintings in my house are just decorations. I’m still not interested in visiting a museum to look at stuff that has no purpose.

課文：

Karly approaches her coworker Jason at his desk.

Karly：Hey, Jason! A new art museum just opened downtown. Some of us are going this evening. Do you want to come?

課文：

Pushing beyond medical reasons

Now, a growing number of people are attempting to implant devices in their bodies for other purposes. Called biohackers, these folks strive to use technology to enhance their normal human abilities. A few biohackers have already implanted RFID tags in their hands that act as passwords, opening locked doors with the wave of a hand.

課文：

Recent developments have led to the creation of wearable technology. Smartwatches, Google Glass and other wearable devices have been designed with a variety of uses, often connecting with users’ smartphones. The next step beyond wearing tech devices might be actually putting them into people’s bodies. And as bizarre as that idea may sound, it’s already a common part of several medical treatments. Since the late 1950s, heart doctors have been implanting electronic devices to regulate their patients’ heartbeats. These devices, called artificial pacemakers, help millions of heart patients around the world.

a variety of：各種各樣的（= all sorts of、all kinds of）