There are as many molecules in ten drops of water as there are stars in the universe Kangaroos Kangaroos Kangaroos use their tails use their tails use their tails as an extra leg as an extra leg as an extra leg when walking when walking when walking SCIENTISTS BUILT A FISH-SHAPED MICRO-ROBOT THAN A HUMAN HAIR THAT IS SMALLER 6
A FARMER FROM MASSACHUSETTS U S A ONCE PADDLED DOWN A RIVER IN AN 817-POUND HOLLOWED-OUT PUMPKIN 371-kg 7
MORE PEOPLE ARE KILLED EACH YEAR BY DOMESTIC PIGS THAN BY SHARKS danger is MY middle name 8
A compound in human spit can help heal wounds Scientists Scientists use a use a barfing machine barfing machine and fake vomit and fake vomit to help them to help them study how study how viruses viruses spread through the spread through the air air The planet Mercury is shrinking 9
