The New York Times Second Book of Science Questions and Answers

What would kill you if you fell into a black hole? Once people finally get to Mars, how will they get back? What makes the holes in Swiss cheese? Are there any carnivorous plants that are harmful to humans? Are there really caterpillars that scream to protect themselves? How do birds have sexual intercourse? Why don’t woodpeckers damage their brains? What is the function of ear wax? Why don’t you sneeze when you’re asleep? Do germs have germs? What is considered evidence for extra-terrestial intelligence?

Every week, C. Claiborne Ray answers questions like these from the readers of the New York Times Science section who, as this delightful second volume demonstrates, never seem to run out of things to ask about. Here, Ray gives us 225 of the most interesting answers she has gleaned from scientists in every discipline, satisfying our desire to understand some of the strangest, most curious mysteries of the natural world. Victoria Roberts’s charmingly wacky drawings add to the fun.

Standard and Primary covers are widely available through general retailers. They often have higher print runs and can be cheaper, especially during sales.

In contrast, Direct Market (DM) and variant covers are primarily sold in comic shops. DM editions tend to have more limited availability and may be more valuable to collectors.

The main differences lie in artwork style, availability, price, and collector appeal. Ultimately, the choice between standard and variant covers depends on personal preference, budget, and individual collecting goals.

Comic book enthusiasts have various formats to choose from when collecting their favorite stories.
Here's a brief overview of the main types:

Omnibus

• Large, hardcover collections
• Usually contain complete runs or extensive story arcs
• Typically 800-1000+ pages
• Higher price point, often €100-€150

Oversized Hardcover (OHC)

• Similar dimensions to omnibus, but thinner
• Collect shorter runs or story arcs
• Usually 300-600 pages
• Priced between €30-€50

Hardcover (HC)

• Standard-sized hardcover books
• Collect 6-12 issues typically
• Similar dimensions to single issues, but with a hard cover
• Priced around €25-€35

Trade Paperback (TP)

• Softcover collections
• Standard comic book size
• Usually collect 4-6 issues
• Most affordable option, typically €15-€25

Other Formats

• Absolute Editions: Oversized, deluxe hardcovers (mainly DC Comics)
• Compendiums: Massive paperback collections
• Graphic Novels (OGN/GN): Original stories not previously released as single issues

The choice between these formats often depends on personal preference, budget, and collecting goals. Omnibus and OHC editions offer larger artwork and more content but at a higher price, while TPs provide a more affordable way to collect complete story arcs