Scientists have also suggested a few other reasons for the link.

Some scientists suggest that this may not be an unprecedented event.

But these same models, and many scientists, suggest that some warming is likely.

Several political scientists suggest, however, that the change will not necessarily hurt the parties or their people.

Some scientists have suggested special physical conditions which could make cell synthesis easier.

Scientists have suggested that fear of spiders may be in our genes.

Some scientists suggested their statements "may have been politically inspired".

Several scientists suggested that personal animosities might be behind much of the controversy.

But the scientists suggest that glacial melting could not have been the main cause.

Perhaps, the scientists suggested, the limbs were used during copulation.