Here are five things you need to know today:

1) A little cooler: Although the sun is probably going to stay with us today, the temperature won’t be as lovely as yesterday. According to the National Weather Service, it will be mostly sunny with temps in the high 30s.

Editor's note: Please note that this event is being held Thursday, Jan. 26 and not tonight as previously reported.

2) Homework help: Having trouble helping your child with their homework? Head over to the Joyce Middle School Thursday at 7 p.m. for a two-hour workshop with Thinking Outside the Classroom and Dr. Kelly Robinson. The event is free and open to the public.

3) Event spotlight: Tonight at the 99 Restaurant on Mishawum Road, you can enjoy a great dinner and raise money for the Linscott-Rumford Elementary School. The fundraiser benefits the fifth-grade class and will help with their graduation. Email the PTO for a voucher that will make sure that part of your dinner proceeds will go to the school.

4) In case you missed it: Attention dog owners! Don’t forget that it’s dog licensing time. The City Clerk is issuing dog licenses until March. Click here for all the important details.

5) One really big diamond: On this day in 1905, the world’s largest diamond is found in Pretoria, South Africa. The diamond weighed in at just over one pound, but was an astonishing 3,106-carats. That is one really big diamond! The diamond was named the Cullinane, after the owner of the mine where it was found. The diamond was later cut by Joseph Asscher of the Asscher Diamond company. (And poor Asscher was so stressed out by the job he passed out after the initial cut!) The largest stone left from the Cullinane is 503 carats, the second-largest is 317 carats. The two stones are on display in the Tower of London with the rest of the Crown Jewels of Britain.

To find out what is going on today in Woburn, check out our events listings.