The phrase "about different topics" is correct and usable in written English.
It can be used when discussing a variety of subjects or themes in a conversation, text, or presentation.
Example: "The seminar will cover various aspects of education, including discussions about different topics such as technology in the classroom and student engagement."
Alternatives: "on various subjects" or "regarding diverse themes".
It comes as no surprise to learn that "[h]istorians and naturalists do not only write about different topics, they write about them differently," the paper explains.
Because people are more specialised in their subjects, it is harder to talk about different topics.
"They are some of the rare ones who talk about different topics like migration, human rights and who don't self-censor themselves".
Search for "organic baby food," for instance, and see horizontal rows of images that you can swipe through about different topics related to the search, like nutrition, recipes, news, parenting and pediatric health.
Some of the therapists had writer's block when they joined the group, where they free associate on paper about different topics like family, their childhood rooms, what their daughters think of them and "when is money not money?" "Mothers are a big topic in here," Ms. Zindel said.
You can have threaded discussions about different topics, follow people, and topic categories ("think tanks").
Many times, Rafael would come home and talk excitedly about many different topics all at once, jumping from dinosaurs to space travel and back again.
That means you could post about completely different topics from day to day, and it will deliver them to targeted audiences.
At The Times and beforehand, I've been lucky to be able to write about many different topics, and I'm eager to take on a job that will allow me to range across most or all of them in a reflective, analytical and sometimes - I hope - spirited way".
Instead, you can use it only to compare stats about two different topics over time (Trump/Hillary, iPhone/Android, etc).. It's not going to instantly turn your next TED talk into a classic, either.
Since August 2012, I have been writing on Debt Roundup about many different topics.
