Is there a slight gap between the bottom of the tooth and the line? If so, then we say this saw has a positive hook angle. The hook angle is the angle between the tooth and the line, which might ...

keeping them both off the hook—for now. Argentina’s Senate voted Thursday to scrap primary elections, delivering a major legislative victory to President Javier Milei just as he faces intense scrutiny ...

The temporary storage and re-use of tools can significantly enhance foraging efficiency. New Caledonian crows in one of our study populations use two types of stick tools – hooked and non-hooked – ...