Take a photo of a barcode or cover

267 pages • missing pub info (view editions)
ISBN/UID: 9780060523367
Format: Paperback
Language: English
Publisher: Collins Reference
Edition Pub Date: Not specified
Description
Why is the night sky dark? How do dolphins sleep without drowning? Why do hangovers occur? Will time travel ever be a reality? What makes a knuckleball appear to flutter? Why are craters always round?There's only one source to turn to for the answ...
Community Reviews
Content Warnings

267 pages • missing pub info (view editions)
ISBN/UID: 9780060523367
Format: Paperback
Language: English
Publisher: Collins Reference
Edition Pub Date: Not specified
Description
Why is the night sky dark? How do dolphins sleep without drowning? Why do hangovers occur? Will time travel ever be a reality? What makes a knuckleball appear to flutter? Why are craters always round?There's only one source to turn to for the answ...