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After all, atoms behave just like people in a lot of ways, including matters of love.

If you need evidence, take a look at how elements behave at a party: Googling some ideas for a valentine’s day chemistry lesson, I came across a really great idea from a wiki set up by a school in the USA and have decided to use the idea and adapt it slightly so it addresses what students need to know about atomic structure and ionic bonding for GCSE. Assign each student an element, whose role they take during the lesson.

Start-up companies now meet with investors, pregnant couples interact with doulas, and homeless dogs court potential owners, all using the speed-dating format.

Some years ago I caved to my curiosity and tried it out myself. When the little buzzer went off after three minutes, I often found myself still trying to explain to my bedazzled dating partner why my last name has four syllables (it is Dutch).

They make split-second decisions on matters of the heart, creating a pool of information on one of the more ineffable yet vital questions of our time—how we select our mates.

Last year online coupon company Groupon hosted the world’s largest speed-dating event, with 414 attendees crammed into a restaurant in Chicago.I began by giving a lecture on HSAB theory, during which I asked students to look for trends and come up with explanations for the classification of acids and bases as hard or soft.Each student was then assigned an acid or base, and the class formed their acid-base reactions.After all groups had equations ready, I had them go to the lab (so they were standing up) and pair up with another lab group.There were whiteboards at the lab tables and I had them divide the boards in half.Following this activity, they worked in groups on a worksheet to use HSAB to predict whether acid-base reactions would be favorable or unfavorable, and apply HSAB to the design of chelating agents to remove metals from the body.Overall, this activity was a lot of fun, and students did very well on both midterm and final questions in which they were asked to use HSAB theory to predict the favorability of acid-base reactions, predict how ambidentate ligands such as thiocyanate would coordinate to various metals, and design chelating agents for various metals.Amelita Lijek wanted to be upfront about her two cats."I bring up the cat thing early with people, because it is really similar to smoking or doing drugs," she explained.Inorganic Challenges are exercises designed to be solved by a small group of students.Some Challenges practice a problem-solving algorithm, some reinforce important concepts, and some involve creativity or games.