• Are protoceratops eggs really known?

    I heard that "protoceratopsidovum" was really laid by a theropod.
    I heard that "protoceratopsidovum" was really laid by a theropod.
    2 answers · Biology · 10 years ago
  • Question about planets?

    Whenever an inferior planet reaches maximum elongation (east or west) is the planet's radius vector exactly perpendicular to that of Earth?
    Whenever an inferior planet reaches maximum elongation (east or west) is the planet's radius vector exactly perpendicular to that of Earth?
    2 answers · Astronomy & Space · 10 years ago
  • Why do many girls only care about a movie's love scene?

    Can't we assume an innate biological reason for this?
    Can't we assume an innate biological reason for this?
    6 answers · Psychology · 10 years ago